October 2019

Pluggedin.media

OCTOBER 2019

An Inspector Calls

Perfectly Pitched

NFRC Tech Talk

FEATURES

• WHAT A DAY: ROOFING SECTOR

SHINES AT OLD TRAFFORD

• THE REAL COST OF SICK LEAVE:

HOW TO PROTECT YOUR EARNINGS

• ACCREDITATION’S WHAT WE NEED:

THE BIG ROOFCERT INTERVIEW

>>> • GREEN ROOFS • TOOLS • PROJECT PLANNING • HERITAGE • UPDATES • >>>


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Matt Black

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I

V

Editor’s Comment

MATT DOWNS

EDITORIAL DIRECTOR

MATTDOWNS@MEDIA-NOW.CO.UK

07963 330774

Last month I got the chance to sit down with Jon Vanstone, Chair of

RoofCERT, to talk about the new accreditation scheme for the roofing

sector and find out where it’s currently at, discuss the impact it could

potentially have on the sector, plus hear how they will drive up-take.

After a soft launch in 2017, the term RoofCERT has been about for some

time, but up until recently it’s fair to say a real understanding of what it is

or how it will work has been at best patchy. But as Jon explained, the

stakes were too high to rush and risk getting such a colossal undertaking

like this wrong. He explained: “We’d loved to have solved it overnight, but

the fact is by taking time, talking to people and by continuously looking at

what we are doing, we’ve got a better product.”

FOLLOW US @TOTCONTRACTORUK

SIGN UP FOR YOUR E-NEWSLETTER AT

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COVER PIC:

COURTESY OF

SIG DESIGN &

TECHNOLOGY

Above: Paul Jacobs, SIG Design & Technology’s Installation and Training

Manager, explains how project planning can help you avoid surprises – p60.

From the outside looking in, it’s easy to expect RoofCERT to be the silver

bullet that will remedy all the ills that the sector faces, but we need to be

realistic and appreciate this will be a gradual process, but over time

RoofCERT can undoubtedly help address the issues around recruitment of

skilled workers, perception both within construction and externally, help

improve working practices and ultimately place the roofing operative and

wider sector in a stronger position to tackle the many challenges

construction continues to face. No matter what level you’re at in your

roofing career, RoofCERT is something worth getting behind. As Jon

explained: “We have a number of issues as a sector – and it’s not unique

to roofing – but roofing has actually put its name to this and said we’re

going to do something about this.” Let’s make sure that it is something

that has a positive, long-term impact on the sector going forward. Read

the full interview with Jon from p26.

FROM

A

ONL

*

£345

LY

per leaf

Including

delivery

Matt

Advertising:

Publishing Director: Andy Dunn

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Mob: 07963 330777

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Registered office: 1 Forstal Road, Aylesbury, Kent, ME20 7AU

Commercial Manager: Jake Roxborough

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reserved.

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OCTOBER 2019 TC 3


Contents

COVER FEATURES

16 ROOFING SECTOR SHINES

Couldn’t make it to Old Trafford for

Contractor’s Day? Well see what you missed

out on in our review of this great day

22 THE COST OF SICK LEAVE

Vicki Leslie asks if as a business or sole trader

you can really afford to ignore health care

packages and private medical schemes

26 ACCREDITATION PUSH

Matt Downs talks all things RoofCERT with Jon

Vanstone and hears where we’re at with the

scheme, and what it really means for roofing

36

FEATURES

32 COMMON PANTILE QUERIES

Tom Woodhouse answers some common contractor

queries when it comes to installing pantiles

34 PITCHED ROOF MEMBRANES

A Proctor Group talk through some of the key

considerations to make when choosing membranes

54 LIQUID GREEN ROOF GAINS

Victoria Ramwell explains how liquid systems can

provide real benefits for waterproofing green roofs

60 WHAT’S THE PLAN?

Paul Jacobs offers advice on how best to plan your

project and ensure you avoid the nasty surprises

32

70 THE SECRET’S OUT...

James Butler talks secret fix systems for facade and

cladding projects and how communication can save cost

85 QI INSULATION FACTS

In their latest column, the QI team discuss the myths

about non-combustible insulation in inverted roofs

4 TC OCTOBER 2019


REGULARS

18 NFRC TECH TALK

In the second part of his Safe2Torch focus,

Gary Walpole looks at safe gas torch use

30 MARKETING TALK

George Stewart explains why he feels you are

your brand and how to make a success of it

36 AN INSPECTOR CALLS

This month the inspector nails down the issue

of repairing ridge and hip tiles

40 PERFECTLY PITCHED

John Mercer says supervision is key if we’re going

to tackle poor installation practice on projects

SECTIONS:

TOTAL

ROOFING

32

TOTAL

CLADDING

70

INDUSTRY NEWS

08 LRWA FINALISTS ANNOUNCED

Find out who’s up for which award at this year’s LRWA

Awards which takes place next month in Liverpool

10 COST OF TOOL THEFTS GROWS

Reports say the cost of claims for theft of tools from vans

has increased by more than half in the past year

TOTAL

INSULATION

80

X

VEHICLES, TOOLS

& WORKWEAR

86

OCTOBER 2019 TC 5


Industry News

UPDATES FOR SIG

ROOFING BRANCHES

SIG Roofing is modernising its branches

across the UK, following an exciting major

investment in its UK network, offering

roofers improved facilities and an

increased product offering.

The series of refurbishments, taking place

across the remainder of this year, will see a

total of 17 branches transformed in 2019

and a further seven into 2020. SIG Roofing

says roofers will benefit from more

availability on leading products in stores,

such as everyday essentials, as well as

improved services in branch.

In store, a refreshed design will offer an

organised layout, allowing roofers to find

what they need quickly and efficiently

allowing more time to be spent on the job

with the reassurance they can get the

products they need when they need them.

What’s more, branches will offer new and

innovative products on top of their extensive

range to provide roofers with even more

diversity in their offering, and to make the

time in branch that bit more enjoyable there

will a dedicated space to serve refreshments

to maximise comfort.

Stuart Base, Marketing Director for SIG

Roofing, commented: “We’re hugely excited

to offer our customers new and improved

facilities ensuring an excelling in-branch

experience. We have taken customer

feedback on board and will deliver services

that really matter to them. We are confident

that these refurbishments will enable us to

be even more efficient, and take our offering

to the next level.”

The first phase of refurbishments launch this

month, encompassing branches in Woking,

Leatherhead, Bristol Barton Hill, Eastbourne,

Milford and Tunbridge Wells.

FURTHER FALL IN NEW STARTS FOR HOMES

New government figures show

• Most local authority areas in

the number of new build homes

London – where a lack of housing

under construction has

is most acute – showed a

decreased, putting a further

decrease in starts and

squeeze on the housing crisis.

completions of new builds between

June 2018 and June 2019.

According to the Ministry of

Housing, Communities and Local Government, the Clive Docwra, Managing Director of leading

new build dwellings figures should be regarded as construction consulting and design agency

a leading indicator of overall housing supply, but McBains, said: “Today’s figures show the amount

the new figures show that:

of new homes being started or completed are still

nowhere near the number required to meet the

• New build dwelling starts in England were

government’s target of building 300,000 homes a

estimated at 37,220 in the latest quarter (Aprilyear

by the mid 2020s.

June 2019), a 2% decrease compared to the

previous 3 months and an 8% decrease on a year “Brexit uncertainty continues to bite, with many

earlier;

housebuilding projects on hold until the picture

on the UK withdrawal from the EU becomes

• Annual new build dwelling starts totalled

clearer, while the weak pound means the high

160,640 in the year to June 2019, a 1% decrease

cost of imported materials is holding back

compared with the year to June 2018.

construction.

• During the same period, completions totalled

“Demand for housing is far outstripping supply,

173,660 an increase of 8% compared with last

but today’s figures prove there is still no light at

year – but still a long way behind the rate needed

the end of the tunnel in terms of solving the

to meet the government target for new homes.

housing crisis.”

CLC ACQUISITION FOR HULTAFORS GROUP

The Hultafors Group, which owns Snickers

Workwear has acquired CLC.

The leading brand in the USA since 1983, CLC is

North America’s premier designer, developer and

marketer of ‘work gear’ for professional

tradesmen and women. It’s a product range that Group UK said: “We are delighted with this

includes softside tool carriers, nail bags, tool acquisition given that the CLC ‘work gear’ range

pouches plus personal protective equipment. complements the Snickers Workwear, Hellberg

Safety, Hultafors Tools, Solid Gear and Toe Guard

Custom LeatherCraft, or CLC as the brand is more

safety footwear product portfolios perfectly.

commonly know in the USA – and as the Kuny’s

Leather brand in Canada – prides itself on “We will now be able to offer the discerning

developing high quality ‘work gear’ that combines tradesman and woman an even more extensive

innovative design and functionality as well as range of top quality premium brand products,

great value for money.

ideally suited to the work they do on site.”

Peter Dumigan, Managing Director of the Hultafors More on Vehicles,Tools & Workwear p86

6 TC OCTOBER 2019


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Industry News

2019 LRWA FINALISTS HIGHLIGHT THE VERSATILITY OF LIQUIDS

The finalists of the Liquid Roofing and

Waterproofing Association (LRWA) Awards

2019 have been revealed.

Now in their third year, the awards showcase

outstanding workmanship and technical

excellence across the liquid roofing and

waterproofing sector.

Entries were judged by an independent panel,

including specifiers and technical experts. Each

project was scored in line with strict criteria,

including project complexity, standard of

workmanship, evidence of problem solving and

aesthetics.

A total of 20 projects have been shortlisted across

four categories, including Liquid Roofing Project of

the Year under 1,000m², Liquid Roofing Project of

the Year over 1,000m², Liquid Roofing Project of

the Year in a Buried Application, and Liquid

Waterproofing Project of the Year – covering nonroofing

applications such as car parks, bridges

and balconies.

Three people are also in the running to be

crowned Trainer of the Year.

The winners will be announced at the LRWA

Awards and Gala Dinner on Wednesday, 6th

November 2019. At the event there will also be an

award for Student of the Year and a Chairman’s

Recognition Award for an individual who has

made a special contribution to the liquid roofing

and waterproofing industry.

Sarah Spink, CEO of the LRWA, commented: “The

quality and diversity of this year’s entries has

been extremely impressive. The shortlisted

projects feature a vast range of different buildings

and structures in a variety of sectors including

residential, commercial, rail, heritage, utilities,

and healthcare.

“These projects clearly demonstrate the versatility

of liquids and shine a light on the complex

workmanship that is so often required in the sector

as well as the need for effective problem solving.

The winners will be announced at the LRWA Awards and

Gala Dinner which takes place at the Titanic hotel in

Liverpool’s Stanley Dock, on Wednesday, 6th November

2019.

“We look forward to celebrating with the finalists

and representatives from across our sector at the

awards dinner in November.”

Moy Materials is the headline sponsor for the

LRWA Awards 2019, which will return to the

Titanic hotel in Liverpool’s Stanley Dock and is on

target to attract more than 200 guests.

Finalists for the 2019 LRWA Awards are:

Liquid Roofing Project of the Year 1000m²:

• Aberdeen Railway Station: Sika Liquid Plastics

& Everlast Rail

• ADM Erith: Kemper System & Capital Roofing

• Fleetwood Hospital: Centaur Technologies &

Gables UK

• Hull Interchange Station: Sika Liquid Plastics &

Orchard Roofing & Building

• Southern Water: Polyroof & Williams Roofing

Contractors

Liquid Roofing Project of the Year in a Buried

Application:

• 80 George Street: Mars Construct & Tor

Coatings

• Holbrook House: Moy Materials & Plan

Construction Solutions

• Chapter House: Kemper System & Exterior

HomeCare

• Hangar Lane: Moy Materials & Plan

Construction Solutions

• Wellington Street Offices: Bauder & Protech

(Leeds)

Liquid Waterproofing Project of the Year:

• Coptfold Road Multi-storey Car Park: Makers

Construction & Sika

• 99 High Street Kensington: Axter & AMG

Waterproofing

• Queens Crescent: Polyroof & Emperor Roofing

• Sun Pavilion: Mars Construct & Sika Liquid

Plastics

• The Water Gardens: Makers Construction &

Triflex

Trainer of the Year:

• Will Russell – Moy Materials

• Steve Mercer - Filon

• Ross Smith – Kemper System

For ticket information, please visit:

www.lrwa.org.uk

8 TC OCTOBER 2019


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Industry News

WORKERS: TIME TO

BREATHE MORE EASILY

The British Safety Council says news that

London’s homebuyers are being offered 20%

discounts for homes in polluted streets is a

wakeup call for us all.

It says this reflects the magnitude of the

problem and the extent to which it affects

every aspect of our lives.

Matthew Holder, Head of Campaigns, British

Safety Council, said: “If air pollution is

damaging house prices, imagine how it’s

affecting the health of people who work

outside in the most polluted parts of our

cities. Thousands of people, from

construction workers to couriers, work in

illegal levels of air pollution day after day.”

In March 2019, the British Safety Council

launched the Time to Breathe campaign to

reduce outdoor workers’ exposure to ambient

air pollution. The cornerstone of the

campaign is Canairy, a unique free mobile

app that calculates an individual’s exposure

to ambient air pollution based on the London

Air Quality Network (LAQN) data and

emissions modelling by King’s College

London. The employers supporting the app

have been using it since March 2019 to

collect the air pollution data of their

workforce. Very shortly the British Safety

Council will release the results of the first

phase of this research.

Matthew Holder added: “The Canairy data

suggests that employers might need to adjust

the ways they manage their outdoor staff to

reduce their exposure to harmful levels of

ambient air pollution. The British Safety

Council would like to work with employers to

help them do this. We also believe that a

great leap forward on this issue will be made

when the government and the regulators

recognise that exposure to ambient air

pollution is an occupational health hazard.”

INCREASE IN TOOL THEFTS FROM VANS

The cost of insurance claims for

commitments, and insurance costs.

theft of tools from vans have

At ECIC we always find ways to pay

increased by more than half –

claims but some contractors may find

55% – in the past year according

themselves facing an uphill battle if

to analysis by ECIC, the specialist

their insurer feels they have not

insurer for the building services

taken enough precautions to protect

sector.

their property from theft.

With recent reports of increased keyless entry “Ideally tools will be removed from vehicles and

vehicle thefts, including vans, and the average stored securely elsewhere over night or between

theft of tools claim reaching £2,685, ECIC is jobs, or within a secure box fixed inside the van.

warning contractors that keeping tools in a locked Not only will this reduce the chances of the tools

van is not enough to protect them from

being stolen, and disrupting the work schedule,

determined thieves.

but it will also mean insurance covering the tools

is not invalidated in the event that a determined

ECIC’s analysis has also revealed that while the

thief still manages to get away with the tools.

number claims for theft of tools from vans has

remained largely static H1 2019 vs H1 2018, the “When it comes to insurance, contractors’ tools

claims costs resulting from theft of tools have are often covered as standard within a

already surpassed 2018’s total figure. This Contractors’ All Risks insurance policy. However,

suggests thieves are specifically targeting higher some policies may require cover extensions for

value tools and making away with a larger haul tools hired, and for tools belonging to employees

through brazen measures such as peel and steal, rather than the insured company. Goods in Transit

whereby the side of the van is cut open and cover will provide protection only when the tools

ransacked.

are in transit, sometimes with a limited sum

insured. With such a huge increase in theft of

Ian Hollingworth, of ECIC, commented: “The

tools over the past 6 months we would urge

increase of van thefts is widely recognised but

contractors to review their insurance policies to

showing no signs of abating. It is hugely

check tools are covered, and to add extensions

disruptive to contractors, impacting work

where necessary.”

FMB: VAT CHANGE DELAY MAKES SENSE

The Government’s decision to delay by one Brian Berry of the FMB explained: “It is

year the implementation of potentially

reassuring that the Government has listened to

damaging VAT changes for construction the construction industry, which has come

companies is a victory for common sense, together to make clear to the Government that

says the Federation of Master Builders (FMB). sticking to the October 2019 timetable could lead

to a loss of productivity, reduced cashflow and in

Reverse charge VAT was due to come into force

the worst cases, lead to a hit on jobs, tipping

from 1st October 2019, but the Government has

some companies over the edge. What’s required

delayed implementation until 1st October 2020 after

now is for the Government and industry to work

a coalition of construction organisations wrote to the

together to deliver a sector-wide communications

Government to point out the damaging impact this

campaign, which must include plain English

badly-timed policy would have on the sector.

guidance on the changes.”

10 TC OCTOBER 2019


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Industry News

OLD TOOLS BUILD

BRIGHT FUTURES

RGB Building Supplies and Devon-based

charity Amigos are thanking the

communities local to RGB’s branches for

the amazing response received to their

recent appeal to donate preloved tools.

These will all now go on to help young

people in Africa lift themselves and their

families out of poverty.

Amigos has been working in Uganda for

nearly 20 years and for the last nine it has

been providing vocational training in

construction skills. Throughout June and July,

a total of 33 ‘dumpy bags’ of tools were

collected across the RGB network and in

some cases, instead of donating preloved

tools, RGB customers purchased brand new

items to leave at the drop zones.

Amigos Chief Executive Phil Pugsley said:

“This was a fantastic campaign and we are

so grateful both to RGB and their staff for the

wonderful support they provided, but even

more so to their generous customers who

have given tools. The impact these tools will

make in Africa is beyond measure.

“Everyone who has supported this campaign

has played a big part in changing many

people’s lives, and for that we can’t thank

you enough. Tools not only help make and

repair things, but they also put food on the

table, send kids to school, repair boreholes

and bicycles, and even help put roofs on

people’s mud huts so they can keep dry!”

Kevin Fenlon, CEO at RGB Building Supplies,

commented: “We’re thrilled with the

response we had to the appeal. Something

that may have been gathering dust in a

garage or shed will now go on to make a real

difference to young people’s lives, and we’d

like to say a huge thank you to our customers

and the big-hearted communities for their

fantastic support.”

LANGLEY’S A TRAINING TRAILBLAZER

As the exclusive flat roofing

supplier with CITB Approved

Training Organisation (ATO)

status, Langley Waterproofing

has been announced as the

only flat roofing systems

provider for the new

Waterproof Membrane

Installer course.

The course is based at the Advance Technical

Engineering and Construction Centre (TECC) in

Leyton, and will be delivered by Langley’s training

team. The Advance TECC is a partnership

between Dudley College of Technology, the London

Borough of Waltham Forest (LBWF), Simian and

NOCN Group.

Apprentices will spend the 18-24 month course

learning how to interpret drawings, measure and

calculate the amount of materials required for

roofing work, as well as learning how to install

vapour control layers, and maintain flat or pitched

roofs.

For building company owner Mark Lintott,

winning the £1,000 prize on offer for taking

part in an SIG Roofing customer satisfaction

survey could not have come at a better time.

For he and his wife Jo were about to celebrate their

10th wedding anniversary and thanks to his good

fortune he was able to put some of the windfall

towards a romantic celebratory holiday in Spain.

Mark, whose business Lintott Building Solutions

is based in Leigh-on-Sea, does not normally

Dean Wincott, Managing Director at Langley

Waterproofing Systems, and Neel Bidessie,

Centre Director at Advance TECC.

Mark Dunn, Head of Training at Langley, said:

“With the skills gap increasing as more workers

retire and less young people join the construction

industry, it’s crucial that comprehensive and

accessible training is available to installers of all

ages. This course, which covers reinforced

bituminous membrane (RBM), liquid and singleply

roofing, and will be assessed

by an independent assessor,

allows the trainee to build up

their portfolio as evidence is

collected through video,

photographs, professional

discussions and method

statements.”

The Trailblazer Roofing

Apprenticeship is a government-backed initiative

designed to support further training within the

construction industry. For non-apprenticeship

levy payers, the apprentices will have 95% of

their course funded. The course is also supported

by two attendance grants and an achievement

grant for those companies that are CITB

registered.

Neel Bidessie, centre director at Advance TECC,

said: “It is an accessible solution to ensuring new

workers in the industry are able to develop their

skills, while existing workers of any age are able to

enhance their service offerings. We are delighted

to be working in partnership with Langley to

deliver this apprentice standard, designed by

employers for employers. This will impact

positively to meet the needs of the construction

industry and to find a solution to the acute skills

shortage. We look forward to welcoming the

apprentices to the Centre very soon.”

SURVEY GAINS FOR SIG ROOFING ROOFER

respond to surveys. But, he said: “The lady who

called me was very polite and so I went along

with it. I don’t normally win anything, this was a

big surprise and a welcome slice of luck.”

Mark’s local SIG outlet is the Leigh-on-Sea

branch in Progress Road, from where he

purchases mainly roofing materials for contracts

across the Essex area. He said: “The staff are

always helpful. If they haven’t got what I’m

looking for in stock they will order it in and ensure

it is available quickly.”

12 TC OCTOBER 2019


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www.ejot.co.uk


Industry News

ROOFER’S TRAGIC

SCAFFOLD FALL

An Aberdeen-based roofing contractor

has been fined after an employee fell to

his death from a ladder while exiting a

scaffold at Jute Street in the city.

Aberdeen Sheriff Court heard that on 21st

September 2016, Joseph Kane, an employee

of Henderson and Aitken fell from the top

rungs of a ladder when it slipped sideways

on the scaffold. Mr Kane died of multiple

injuries.

The scaffolding had been erected by

Henderson and Aitken employees and the

ladder was tied, using a blue nylon cord, to

the scaffold ledger at only the left stile.

A Health and Safety Executive (HSE)

specialist inspector that carried out the

investigation estimated the lateral

movement of the ladder due to the lack of

fixity was approximately 20cm.

HSE found a Henderson and Aitken

employee had erected the scaffold even

though he was not a qualified or competent

scaffolder. He had been asked to do this by

the company Director who was aware he

was unqualified. The Director then allowed

three people to access the scaffold. The

scaffold was not erected to the correct

standard.

Henderson and Aitken pleaded guilty to

breaching Regulation 4 of Work at Height

Regulations 2005 and Section 33(1)(c) of

HSWA and was fined £53,000.

Speaking after the hearing, HSE Principal

Inspector Niall Miller, said: “This tragic and

preventable death highlights the need for

those undertaking work at height to ensure

that it is carried out safely, that industry

guidance is followed and that the relevant

regulations are complied with.”

SHARMANS’ NEW TOOLS FOR CONTRACTORS

Sharmans has launched two contractor

support tools to make life easier: a Budget

Quote tool and a Surveying & Fitting Guide.

Its new Plygene Gutterline Surveying & Fitting

Guide is an interactive digital system that is easy

to access on mobile or desktop and provides upto-date

installation and support information for Budget Quote and Survey & Fitting Guide from Sharmans.

use on site. It has been developed to give a survey details and specification are achieved and

reference point to ensure the liner is both

ensures that the system that arrives on site can

surveyed and installed quickly and easily. be fitted with accuracy.”

Simple to navigate, it takes the pressure off the Sharmans Budget Quote is an online pricing tool

surveyor by ensuring that he has selected the that is quick and easy to use and provides

correct watertight finishing detail, no matter the accurate quotes for all Sharmans gutter and roof

type of roof. For every metal or asbestos roof refurbishment systems. It is a mobile and tablet

build-up, there is an easily identifiable solution friendly interface, intuitive and provides a guided,

which can be selected at survey stage so that step-by-step process that instantly generates an

instructions can be passed to the installer, accurate estimate along with a breakdown of

minimising errors on-site. The step-by-step guide materials needed for any project.

also includes images and fitting instructions for

Steve continued: “If you’re an Approved

bespoke moulded components, a guide for when

Contractor and need to get a quick estimate – our

and where to install wind uplift restraints and

online quoting system will allow you to do this

maintenance instructions.

instantly inclusive of a bill of quantities. It has

Sharmans Technical Director Steve Cookson said: been designed to allow our customers to provide

“We firmly believe that our Plygene gutterline budget quotes for all our gutter and roof

system is the best solution when it comes to the refurbishment systems, including Plygene

industrial gutter network. It is simple to specify gutterline, Delcote gutter and roof coatings,

and install. Using this new Surveying & Fitting Seamsil cut edge corrosion and Delglaze

Guide will help contractors to ensure that correct rooflight.”

FMB: THREAT OF NO DEAL CAUSING ISSUES

The Government must bring an end to the in an industry notorious for tight margins. If we

threat of ‘no deal’ and give clarity to UK want local builders to deliver the high-quality

businesses by securing a new deal with the homes our country needs, to upgrade people’s

EU, according to the Federation of Master homes to modern standards and to form the

Builders (FMB).

supply chain for key national infrastructure

projects that are essential to helping our economy

The data shows construction output has

move forward, then we certainly can’t afford for

contracted again in August for the fourth month in

building companies to go to the wall due to

a row, and new orders fell at the fastest pace for

uncertainty. The Government must secure a new

over ten years. Brian Berry, Chief Executive of the

deal with the EU which Parliament can accept to

FMB, said: “A sustained decline in construction

deliver certainty, and give an injection of

output risks small firms leaving construction

confidence to the sector.”

altogether, as they struggle to absorb higher costs

14 TC OCTOBER 2019


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Contractor’s Day 2019

MANCHESTER EVENT SHINES A LIGHT

ON ROOFING’S ISSUES & SOLUTIONS

Over 50 of the leading players in the roofing, cladding and associated sectors came together

alongside expert speakers to showcase what’s new in the market, and to tackle the issues

individuals and businesses face through product demos, expert advice and seminars...

Old Trafford Football Club, Manchester,

played host to the North West instalment

of Contractor’s Day, sponsored by

Quantum Insulation, which brought together over

50 of the leading manufacturers, suppliers and

associations from the roofing, cladding and

associated sectors.

Visitors were able to get up close to the latest

solutions from the leading players, see demos of

new tools and systems to assist them on projects

plus pick the brains of the experts on stands.

answered and take part in demos including

EJOT’s hands-on advice regarding screw guns

and best installation techniques to prevent overscrewing.

Visitors to the RoofCERT Technical Hub were able

to test their knowledge and sample some of the

questions roofers will have to answer to gain

accreditation, as well as find out what’s involved

in becoming accredited and how it will impact

them as individuals and businesses going

forward. Roofer Darren McGhee, of DMG Roofing

and recently crowned Screwfix Tradesperson of

the Year 2019, was up for testing his skills again

and tweeted a pic of him taking the test at

Contractor’s Day, saying: “Here’s myself and

Kevin trying to test ourselves on all aspects of

roofing.”

Another key attraction for visitors was the

Kingspan Skills Zone where members of Kingspan

Insulated Panels’ Field Services team were

demonstrating the installation enhancements for

the RW and DLTR products. Visitors were able to

This year’s regional event also featured three

Technical Hubs; EJOT’s Cladding & Sheeting

Technical Hub; Brett Martin’s Rooflights Technical

Hub and the RoofCERT Technical Hub. The Hubs

were a hive of activity and provided an invaluable

opportunity for visitors to get their queries

“Have to say it was the best one of these I’ve ever

been to. Good to catch up with everyone and

some really interesting discussions going on”

Aaron Hepworth, Primeseal Roofing

“Thanks for another

great event bringing

people from across the

#roofing

#construction sector

together”

Midland Lead @MidlandLead

16 TC OCTOBER 2019


“A very informative day.

Well worth the visit.

Many thanks”

Holfords Roofing

@holfordsroof

get up close to the products and quiz the Field

Services team on all aspects of project

installations.

Alongside the exhibitors, demo / skills zones and

Technical Hubs, visitors were also able to hear

from a brilliant speaker line-up from across the

roofing and wider construction industry in the SIG

Roofing seminar theatre. Topics up for discussion

included product advice on modular rooflights

from Brett Martin, as well as Innovation in the

inverted roof insulation market from Headline

sponsor Quantum Insulation, business advice

including guidance on issues such as Reverse

charge VAT from the joint Tax committee, winning

business through great marketing from SIG

Roofing, and an informative talk on top tips for

tendering and procurement from Lancashire Bids.

Visitors were also able to get updates and advice

on the latest working practices with talks from

NASC on what roofers should look for in a

scaffolding company, the NFRC gave an update

on reducing risk in hot works through Safe2Torch,

and SPRA outlined their latest guidance on

windload protocol.

Undoubtedly the key presentation was from Jon

Vanstone and Richard Miller from RoofCERT

which attracted a large crowd. The team outlined

how roofers can become accredited and showed

how far the accreditation scheme has come since

“It was a great day.

Thanks to everyone we

spoke with!”

Avenir Roofing

@Avenir_Roofing

their talk at last year’s Southern Contractor’s Day

event at Twickenham.

We all know how difficult it is to justify time away

from site, but with the challenges the roofing,

cladding and wider construction sector continues

to face, from time to time it’s vital to step back

and take a look at the developments within your

market, network, talk to like-minded individuals

and look at where you can perhaps make slight

“Our Head of Design & Technical Neil Talmage

thoroughly enjoyed #ContractorsDay2019 We

value and utilise these opportunities for

networking within the flat roofing market and it

gives us a fantastic insight into new products &

developments within our sector”

Tapered Plus @TaperedPlus

Above and left: Visitors were able to sit in and listen to a

number of seminars on a wide range of topics including new

working practices, updates to regulations, business advice

and guidance, plus an exclusive talk on where the RoofCERT

accreditation scheme is currently at and how it will impact

both roofers and businesses.

Below, left: Visitors were able to get in front of over 50

leading manufacturers and suppliers and see the latest

offerings and solutions to assist them on projects, plus have

their queries answered by technical experts and see

products in action and take part in demos.

changes, develop your offering or find that

solution that can assist you on site or as a

business going forward.

Contractor’s Day offers all this and so much

more – as visitor Aaron Hepworth, Senior

Estimator at Primeseal Roofing, stated: “Had a

day off today and took myself down to the

Contractor’s Day at Old Trafford. Have to say it

was the best one of these I’ve ever been to. Good

to catch up with everyone and some really

interesting discussions going on.”

So next time Contractor’s Day is in your area,

take a break from your normal working day and

don’t miss out on this invaluable opportunity to

get to grips with the future of your industry.

We’d like to say a big thank you to

Headline sponsor Quantum Insulation,

Technical Hub sponsors Brett Martin

Daylight Systems, EJOT and RoofCERT,

plus our Skills sponsor Kingspan

Insulated Panels, as well as all the

speakers and of course the visitors who

took time out of their busy schedules to

help make the North West instalment of

Contractor’s Day such a success.

OCTOBER 2019 TC 17


NFRC Tech Talk

SAFE2TORCH: TOOLS & EQUIPMENT

In the second part of his Safe2Torch focus for contractors, Gary Walpole, NFRC’s Health,

Safety and Environment Officer, outlines how to use gas torches safely.

The NFRC and partners have recently developed the Safe2Torch Safe System of Work and a pictorial checklist to help carry out hot works safely.

Available to download for free from www.nfrc.co.uk/safe2torch, the documents support a new Safe2Torch training module. Below are key points that

every contractor should follow when working with hot works equipment.

Connections

The regulator should be a left-hand threaded for

fuel gases, with the hexagonal nut on the union

connections notched to aid identification. It

should also have a safety cut-off valve that stops

the gas supply to the hose should the hose

become damaged during use.

After attaching the gas torch to the LPG cylinder,

you should check all connections for leakage,

using an approved leak detection solution. If there

are leaks which cannot easily be stopped:

1. Isolate the gas supply: you should isolate the

gas supply before the leaking components are

taken out of service.

2. Avoid excessive force: Never use excessive

force on cylinder valve spindles or hexagon

regulator connection nuts to stop a leak.

3. Avoid using sealing tape: Never use sealing

tape or other jointing materials because they are

not suitable for preventing leaks between metalto-metal

surfaces that are designed to be gas

tight.

Hoses

LPG hoses should be orange in colour and of a

suitable length. Hoses are relatively vulnerable

pieces of equipment, which are vital to ensuring a

flow of gas to your torch. You should therefore

select and store them with care:

1. Keep in good condition: ensure you keep your

hoses and tubing in tip-top condition by keeping

them away from bright sunlight, dampness,

abrasion and excessive loading.

2. Check manufacturer details: hoses should

also include the year and

name of the

manufacturer.

3. Check service

life: the normal

useful service

life for a hose is

approximately

five years, so do

remember to

replace them at the

end of their life-span.

4. Avoid misuse: demanding

operating conditions or misuse can

reduce the lifetime of a hose.

5. Carry out routine checks: routinely check for

visual signs of cuts, cracks, fading, brittleness,

hot spots.

“Gas torches should be

fitted with a stand to

ensure the hot burner

does not come into

contact with the roof

surface”

Torches

Gas torches should be fitted with a stand to

ensure the hot burner does not come into contact

with the roof surface or materials within the work

area. Torches that self-ignite and extinguish by

using an electronic ignition system are safer and

use less gas. Gas torches that are manually lit

must be extinguished after use; never leave a gas

torch running on a pilot flame.

Gas torches must be

used correctly, and

be cleaned and

maintained at

regular intervals:

1. Use correct

gasses and

pressures: do not

use the torch with

gases and pressures

other than those for which

it is intended.

2. Use only with propane fuel gas.

3. Inspect all equipment before use: do not use

damaged, defective or improperly adjusted

equipment.

4. Ensure valves work: make sure valves work

properly; threads on equipment are clean (no

grease or oil) and not deformed; and fittings are

properly sized for the cylinder.

5. Ensure torch is clean: make sure torches are

clean (no grease or oil) and manufacturer’s

maintenance instructions are followed.

6. Ensure all connections are tight.

7. Check for leaks: do not use torch if you smell

gas. Check system for leaks with an approved

leak detection solution or leak detector.

Contact the NFRC

020 7638 7663

www.nfrc.co.uk

@TheNFRC

18 TC OCTOBER 2019


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DAILY BATTLES, WHAT

MATTERS IS WHO’S WITH

ME IN THE TRENCHES.

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© 2019 Firestone Building Products EMEA. All rights reserved


Business Talk

COMPANIES HOUSE REFORMS –

WHAT YOU NEED TO KNOW...

Total Contractor takes a look at the recent reforms at Companies House and what they

mean for business owners.

The United Kingdom is thought of as being at

the vanguard of the rule of law, good

governance, and best business practice.

However, the registration and administration of

corporates within the UK is behind that of its

overseas rivals. Before the 1844 Joint Stock

Companies Act, companies could only form by

royal charter or act of parliament. However, the

1844 act provided for firms to be incorporated so

long as they were recorded on a public register –

Companies House – where the public could

understand the entities they were dealing with.

Of course, being on a public register is one thing,

having recorded information fact checked is quite

another and it surprises many that Companies

House is merely a repository for what is lodged

with it. It only checks that returns are made on

time and appropriate fees are paid. Other than

that, to an extent, directors and companies can

post whatever they like. And some do!

But there’s a move to change this and a

consultation on the subject (just search for

Corporate Transparency and Register Reform on

gov.uk) closed on 5th August.

Government consults

Jason Piper, Policy Lead, Tax and Business Law at

the ACCA, an accounting professional body, says

that there is widespread concern about abuse of

corporate structures, “whether through the kinds

of wrongdoing highlighted by the Panama Papers,

or in large scale money laundering operations.”

Accountancy is one side of the corporate story,

insolvency is the other and Duncan Swift,

president of insolvency and restructuring trade

body R3, is pleased that progress is being made.

He’s bothered by the “difficulty of tracking

beneficial ownership and money flows through

opaque corporates.”

There is also pressure from Europe for change in

the form of proposals in the EU Company Law

Package of 25th April 2018 with measures around

digital tools for company law, including online

registers. As Piper points out, “in other EU

countries the registries only include checked and

verified information which can be relied upon as a

matter of law; this hasn’t been the case in the

UK.”

It also helps that Companies House has

embarked on a large programme of change to

processing systems; it makes sense to change

things now.

But there is one more benefit, says Peter Windatt,

an accountant and licensed insolvency

practitioner at BRI Business Recovery and

Insolvency – “the government will get the ability

to cross check information across its

departments giving regulators [even] more

opportunity to ensure that data is accurate and

true.”

Systemic abuse

Companies House estimates that the accuracy of

its records is generally between 90% and 99%

accurate. Law enforcement and journalists have

shown that certain structures are very attractive

to criminals and are easy to abuse. Consider the

example of John Vincent Cable Services Ltd,

incorporated in 2013. It listed the then business

secretary Vince Cable, former Liberal Democrat

leader, as a Director and shareholder - without

his knowledge.

But there are plenty of other areas ripe for abuse

says Swift and he points out a number: Directors

using multiple versions of their name and/or

different dates of birth to prevent a full picture of

their activities being captured. “This,” he says,

“makes it easier for bad actors and fraudsters to

avoid scrutiny, and to hoodwink other businesses

entering into contracts with them in good faith.”

Other examples he notes are UK companies with

only overseas registered corporates registered as

Directors, beneficial owners ‘parking’ unlawfully

obtained personal assets into UK companies with

friends or underage children named as directors,

and the widespread use of individuals ‘fronting’

for owners or controlling directors.

Windatt, from experience, has seen the same. He

knows that “there are no ‘fuzzy logic’ matching

techniques currently in use which means that

Jon, John, Jonathan, Jonathon, JG and J. G. Smith,

all the same people in reality, are treated as

unique individuals.”

For Richard Naish, a Partner in the Corporate

Department at law firm Walker Morris LLP, any

system that was developed nearly 200 years ago

will be open to abuse and reform is probably due:

“You could say that it has not managed to keep

up with the changes in the way businesses are

run and the complex ownership structures that

are in place.”

The main area to address is the reliability of the

information. Historically, Companies House

simply collates submitted forms and makes

available certain details as required by the

Companies Acts. But, as Naish explains, the

Companies Register is totally dependent on

Directors providing accurate information in the

first place. He says that “there is no way of

20 TC OCTOBER 2019


checking the accuracy of the register. If a

company files incorrect information at Companies

House, that is reflected in the entry on the

register.”

Of the proposals, the biggest relates to

identification and verification of Directors and

Persons of Significant Control (PSC) and of those

filing information on their behalf. Naish thinks

that the proposal to extend the powers of

Companies House to query and seek

corroboration of information before it is entered

on the register: “is good and should give people

looking at the information available greater

comfort that it can be substantiated.”

Veracity of information is important also to Swift

who offers a blunt view: “Anyone who wants to

benefit from limited liability as a company

Director should be required to prove they are who

they say they are, and all their corporate

affiliations and roles should be collected in one

place.”

One big problem is one that Piper points out –

while there should be a zero tolerance for

‘mistakes’, there is a huge volume of historic

data, much of which is perfectly accurate.

Further, there is also the resource issue at

Companies House itself to consider – even with

automation – in updating systems.

But to prevent breaches occurring, Naish wants

to see Companies House given sufficient powers

to maintain standards. He says that “if the new

proposals are really going to catch economic

criminals, Companies House is going to have to

be given the resources and manpower to catch

those corporate entities attempting to abuse the

system.” Like Piper he sees staffing and

resourcing issues and expects “that Companies

House will adopt some form of risk-based

enforcement.”

Effect on businesses

As to what effect the proposals will have on

Directors and businesses, Piper knows that there

will always be those who game the system.

However, he says that “the suite of measures in

“Anyone who wants to benefit from limited

liability as a company Director should be

required to prove they are who they say they are”

the consultation go a long way towards making it

much harder for the criminals without, in most

cases, imposing a significant burden on Directors,

business or their agents.”

Naish has a similar outlook. He reckons that “any

new requirements will quickly become the norm

just like the introduction of the confirmation

statement and PSC register.” In the meantime,

his advice to users of Companies House wanting

to check the accuracy of a filing – “contact the

company itself to corroborate the information.”

Windatt suggests the same, adding that if he

were making background checks on a company,

he’d look at other material available “and check

that the same names, postcodes, company

numbers etc. were consistent.” From his

standpoint, he would like Companies House to

use a unique Director ID number so that “a

Director with many fingers in many pies can more

easily be identified with a higher degree of

confidence along with a list of their many and

various interests.” As he puts it, directors have

the benefit of limited liability (in most cases),

their ready identification is a modest price to pay

for such protection.

To finish

But there is a balance to be struck for the biggest

challenge Companies House faces is not that it

needs to make the system better than it currently

is now, it also needs to make it more attractive

than the alternatives. If the proposals make

incorporation too difficult then legitimate

businesses as well as criminals will simply

bypass the company structure and use

unregulated platforms.

OCTOBER 2019 TC 21


Insurance

CAN YOU AFFORD NOT TO PUT THE

HEALTH IN HEALTH & SAFETY?

By Vicki Leslie, Client Relationship Manager, ECIS.

For small businesses, having a member of

staff on sick leave can have serious

consequences. What would happen to your

business if you suddenly had an employee out of

action for a period of time? Loss of earnings due

to sickness absence, presenteeism and downtime

could be a real risk to your business.

As a sole trader, the risk becomes even more real

as your earnings could disappear completely

during times of ill health.

Act quickly

Take something as simple as a slipped disc for

instance. Through the NHS you may need to wait

for a GP referral, with a potential further delay

before a consultant is assigned and

treatment can start. This

could lead to months

before the situation is

resolved.

Early intervention

is key when it

comes to our

health with

experts stating

that early

diagnosis plays a

key factor in survival

rates. The sooner the

problem is identified, the

earlier you get help, the better the

prognosis and outcome.

This can be demonstrated using bowel cancer as

an example. When diagnosed at

its earliest stage, more than 9

in 10 people with bowel cancer

will survive their disease for

five years or more, compared

with less than 1 in 10 people

when diagnosed at the latest stage.

Getting help, treatment and support as early as

possible is absolutely key with any medical

condition, from a basic injury to a more serious

disease.

Healthcare

If you employ staff, why not consider a healthcare

package for your business? The quicker your

employee is seen and treated, the

quicker they can return to

work and back to being a

productive member of

the team.

“I can’t afford

employee

healthcare,” is

a statement we

hear a lot.

However, it

doesn’t have to be

at an out-of-reach

cost. Private medical

schemes might not be as

expensive as you think and a

choice of private medical insurance schemes

means cover can be tailored to your budget. There

are a variety of options available, from

Left: Vicki Leslie, Client Relationship

Manager, ECIS.

comprehensive cover which

includes direct access to

specialists without GP referral

meaning staff do not need to take

time off to see their GP, to plans that

focus on treatment for conditions that

frequently have a long NHS waiting time.

There are also options that allow your staff to

receive cash back against the cost of everyday

health expenses from as little as £1 per week,

which enables them to see a physiotherapist, for

example, sooner than they would have done

otherwise.

“Any time lost to ill

health can have a

serious impact on the

bottom line”

Rapid access

For sole traders there are also a variety of

healthcare options and private medical schemes

that will allow you to access consultants and

treatment more rapidly than via the NHS.

For a small business, any time lost to ill health

can have a serious impact on the bottom line.

By putting healthcare measures in place, it can

help to minimise the effect of sickness

absence, reduced capacity and ultimately your

profits.

“As a sole trader, the risk becomes even more

real as your earnings could disappear

completely during times of ill health”

Contact ECIS

0330 221 0241

www.ecins.co.uk

22 TC OCTOBER 2019


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Viewpoint

A DESIGNER ROOF

MINUS THE PRICE TAG

Daniel Redfern from Marley explains how you can get a

slate look without the cost.

Over the past few years, both the new build

and refurb sector have seen a growing

design trend towards pitched roofs with a

sleek, slate appearance. This has led to a huge

increase in demand for cost effective, timesaving

slate alternatives that replicate the look of

natural slate for a much lower price.

In particular, thin leading-edge interlocking

concrete slates, like our Edgemere range, have

experienced a huge growth in sales. So, why are

they so popular and how can they help you

achieve a quicker and more cost-effective slate

roof?

Aesthetics

While inevitably there will be some

heritage projects where only a

natural slate will be permitted by

planning, advances in

manufacturing mean that some

thin leading-edge concrete

slates are able to replicate the

look of slate very effectively. For

example, our Edgemere slates are 40% thinner

than a standard concrete roof tile and resemble

natural slate in their depth and tone. They have

been used on thousands of new homes across the

country where housebuilders want to achieve a

designer slate roof without the price tag.

“Advances in

manufacturing mean

that some thin leadingedge

concrete slates

are able to replicate

the look of slate”

Left: Daniel Redfern, Marley.

In addition to the standard

Edgemere, there is also Duo,

which has a mock bond down

the centre of the tile to create

the appearance of a small

format slate and Riven, which has

a textured surface to give a closer

match to a natural slate.

Lower material and labour costs

If you take material costs alone, natural slate can

cost between £70 and £100 per m², whereas a

concrete slate like Edgemere can be as little as a

Like your favourite

beer garden,

without the wasps.

24 TC OCTOBER 2019


third to half the price. This is partly because of

the high coverage rates of Edgemere, with just

9.7 tiles per m², compared to around 13.4 per m²

for fibre cement slates and as high as 18 per m²

for natural slate. This also has an impact on

labour time and cost.

Ease of installation

Natural slates are double lapped and need to be

installed by highly skilled roofers with many years

of experience. However, as a single lap

interlocking tile, our Edgemere slates are very

quick and easy to install, require no specialist

slating skills and can be fitted by any roofer. They

do need to be fixed to BS 5534 but, by using a

SoloFix one-piece clip and nail, you can reduce

clipping time by around 30%.

graduating to smaller and thinner slates towards

the apex. This requires time, skill and experience.

However, Edgemere slates are uniform in size, so

they can be used straight from the pallet with no

sorting time and without years of roofing

expertise. This consistency also makes them

much easier to install, as the slates simply

interlock together.

down to a low minimum pitch of 17.5 degrees

means it has less limitations than natural slate

and it has the versatility to be used on a wide

range of projects in any geographical area (when

fixed according to BS 5534). It can also be

installed using standardised and uniform

supports, which means that its weight loading is

more predictable.

As contractors continue to face growing skills and

cost challenges, Edgemere interlocking concrete

slates offer the positives of natural slate with none

of the negatives – like being in your favourite beer

garden without the wasps! All of the Edgemere

slates are also available to purchase as part of a

complete Marley roof system, including battens,

underlay, fixings and accessories, all backed up by

a 15-year guarantee.

Consistency

The variation of thickness of natural slates means

they require extensive sorting on site. The thickest

and biggest slates are used for lower courses,

Lower minimum pitch

In low pitch projects, natural slate can be limited

by geography because driving rain has to be

considered. The fact that Edgemere can be used

Contact Marley

01283 722588

www.marley.co.uk/slates

@MarleyLtd

The positives of slate.

With none of the negatives.

EDGEMERE INTERLOCKING CONCRETE SLATES

Take the sting out of slate. Find out more at marley.co.uk/slates

OCTOBER 2019 TC 25


RoofCERT Interview

ACCREDITATION’S WHAT WE NEED ...

Matt Downs sat down with Jon Vanstone, Chair of RoofCERT, to hear where the new

accreditation is at, and what implications it will have for roofers and the wider sector...

“We don’t want to launch just

another badge into the market,”

Jon Vanstone, Chair of RoofCERT,

tells me as we sit down to discuss RoofCERT –

the accreditation scheme for roofing that looks

set to shape the way the sector works and is

perceived in the future. He’s well aware what’s at

stake with this colossal undertaking: “There’s

been too many failures at making these sort of

things work in other areas of construction – if you

do it, you do it right or you don’t do it all.”

After a soft launch in late 2017, RoofCERT has

been around for some time, but up until recently

it’s fair to say a real understanding in the market

of what it is or what it means has been at best

patchy. I put this to Jon: “We’d love to have

solved it overnight, but the fact is by taking time,

talking to people and by continuously looking at

what we’re doing, we’ve got a better product.”

Identify as RoofCERT accredited

I ask Jon how roofers will be able to identify as

RoofCERT accredited, is it a badge, is it a

certificate, is it your name on a database? “It’s

all those things,” explained Jon. “The database is

the access to the CPD learning which is crucial.”

Jon explained that the card is currently under

development and the team are “working with

other construction sectors to see what has

worked and what has failed,” but the card will be

key to “helping roofers identify as RoofCERT

accredited” and building that trust with

customers.

As Jon pointed out, collaboration has been key to

getting the accreditation to where it is today. He

explained that RoofCERT will test and accredit

across all the major disciplines including, slating,

slating and tiling, tiling, single ply with the

assistance of SPRA, liquids with the assistance of

LRWA, felt/RBM, whilst metals alongside FTMRC

“There’s been

too many

failures – you

do it right or

you don’t do it

all”

and Mastic Asphalt with MAC will launch in the

coming months: “The fact that other trade

associations have got involved and helped is very,

very important. Nothing RoofCERT has decided has

been decided behind closed doors – it’s been

decided by people in the industry and replayed

which naturally takes time, but it’s time well spent.”

Whilst not unique to roofing, the issues around

skills, image and perception are at the heart of what

RoofCERT wants to tackle. The tragedy at Grenfell

has shone a light on operatives and the uncertainty

around Brexit has thrown up some real challenges

for the sector, not least skilled workers leaving – but

as Jon explained, RoofCERT can help address some

of these concerns: “We have a number of issues as

a sector – and it’s not unique to roofing – but

roofing has actually put its name to this and said

we’re going to do something about this.”

Jon continued: “If you create a professional

industry – and I’m not saying there aren’t

professional workers in the industry today – but a

professional structure that says ‘you join here,

here’s the accreditation programme, here’s the

learning for the journey and here’s the path

afterwards – there’s a path to running my own

business that provides for my family’, it’s a more

attractive proposition.”

However, saying you’re going ‘professionalise’

something, or overhaul a sector can quite rightly

alarm some and may be met with some

resistance: “When you say you’re going to

‘professionalise’ people think I have

to go to an exam centre and I

have to sit all this stuff, and

it’s very nerve wracking – You

cannot enforce an industry to

suddenly qualify and we know

this from history where an

industry has said ‘well we think you

should all be qualified’ and the workforce

has said: ‘well you know what, maybe I should

leave, maybe it’s time to retire’, so you have to

get it right.”

As such, RoofCERT caters for both qualified roofers

who have a National / Scottish Vocational

Qualification and three years’ experience – and

experienced roofers who don’t have a Vocational

Qualification but have five years’ experience that

they can prove. As much as it’s for the individual,

RoofCERT recognises that it needs employers to

buy into the importance of the scheme so they look

to continuously upskill their workforce – a crucial

aspect of maintaining standards in the sector.

Knowledge tests – an active pipeline

As Jon and I talk there are a number of participants

carrying out their knowledge tests in the next room

at Roofing House in London. You can see there’s a

real camaraderie between the participants who

have clearly embraced the tests and staff report

back they enjoy the competitive element and the

idea they can further demonstrate their skills to the

wider industry. Jon explained: “We’ve got an active

pipeline going through – we’re doing testing every

week as you can see, and we’re about to launch the

Roof Training Group element where they can do

testing on our behalf which increases the volume of

candidates progressing through.”

Jon pointed out that the various Workshop Groups

they’ve held have been an invaluable source of

information in terms of getting RoofCERT to where

26 TC OCTOBER 2019


it is today, and it has taught them to listen rather

than to dictate: “We gave a lot of answers early

on – with the workshops, in the beginning we

designed them to tell people ‘this is RoofCERT’

but we realised very quickly a better use of time

was to take a collective view, listen to what

people had to say and adapt – we are listening to

what people are saying – so actually for once it is

by industry, for industry.”

Cost of accreditation and driving uptake

Despite its grand aspirations and the long-term

benefits it will offer both the individual and wider

industry, as always, cost will be a real factor for

uptake of RoofCERT. Jon explained: “The first

5,000 accreditations for a single discipline are

free and they last for 3 years – there will be a

sustainable element to the programme coming

which will tell more about the cost in the future –

so whereas I can’t tell you an exact price, I can

tell you it will be highly competitive, particularly

compared to other areas of construction.”

As one of the goals of RoofCERT is to clean up the

sector and address ‘rogue roofers’, I touch on the

idea of RoofCERT being mandatory, much like Gas

Safe has worked in the plumbing sector; is that a

goal? Jon explained: “To get to a mandatory

position is a long way off – as it is for any sector

– Gas is mandatory because it’s under Health &

Safety Executive and delivers a list of legally

qualified gas engineers throughout the UK.”

Jon explained that it’s more about creating

relationships in the supply chain and with external

stakeholders such as Main Contractors, Housing

Associations, Housebuilders, Insurance suppliers,

Financiers, that will drive take-up and recognition of

RoofCERT: “The mandatory element isn’t required –

it needs to be seen that RoofCERT is a solution to

certain things – so from a commercial element in

your requirements you know that wherever you are

in the country, if they are RoofCERT accredited they

can do that job – using a RoofCERT accredited

roofer will reduce onsite issues, they’ll be up to date

and can provide that confidence.” Jon feels this will

then filter through to the homeowner: “The

homeowner – who will often be the last tier – will

“We cannot kill the

cowboy, we can simply

reduce the shadows

they hide in”

say ‘well, we see it (RoofCERT) elsewhere and we

need these people and I can trust them and they

know what they’re doing.” He continued: “You get

that chicken and egg environment which RoofCERT

is all about. RoofCERT funds the first 5,000

accredited because it proves the model – we’ve

actually proved the model already with 300 people

going through the process – but what it will do is

start gaining that critical mass that enables people

to write it in because the moment you have national

coverage, people (housebuilders, Main Contractors

etc.) can start specifying and demanding it.”

Jon continued: “Much as we’re talking to some big

housebuilders – Taylor Wimpey have given a lot of

good time and advice into our programme – they

can’t currently specify it because if they did, there’s

not enough RoofCERT accredited roofers to fulfil

projects currently”, but Jon hopes this will come.

Playing devil’s advocate I ask Jon why, if I’m a

successful roofer doing things correctly, would I

spend the time and cost to get accredited? surely

there’s always going to be cowboys and rogue

roofers around to give the sector a bad name? Jon

explained: “’We cannot kill the cowboy, we can

simply reduce the shadows they hide in’ is the

phrase I’d use.” He continued: “There are a lot of

roofers out there doing incredibly good work, and

because of the way they find their work through

recommendations or contacts, they don’t need it to

survive, but RoofCERT could become the difference

between winning a job and not, simply because the

other person is accredited, even though you’re as

competent as they are. And those are the people we

really want on our funded element to say ‘look, this

is my evidence that I’m good at what I’m doing’

because if you can attract those ones in, they are

the shining beacons that attract others.”

So where is RoofCERT now, and what’s still to do?

Jon said: “It’s done a lot more work than I

originally thought it had to do, but it has turned

out well and I like the engagement we’ve got with

people, with bodies – I think it’s great people like

NHBC, Taylor Wimpey are talking to us about the

positive aspects of the scheme, how they can get

involved and how they can help.

“The fact we’ve got roofers doing testing every week

is great; the fact that we’re expanding the scope of

what we can test is great (Jon told me talks are

underway to look at Rainscreen Cladding as a

discipline, but there are wider issues to resolve

before that can happen); I think the fact we’re

getting positive feed-back as well as comments on

how we can evolve is great. We’re taking these on

board and making sure we communicate it well.”

Jon concluded: “What we’re interested in

finding out now is what people are worried

about; what are you thinking and what worries

you? Particularly given the path construction is

taking – what other issues can RoofCERT get

involved in and be part of the solution?”

My conclusion

When you start talking about professionalising an

industry, quite rightly those operating within the

sector can become quite protective. It implies

changing the way things are done – and sure there

is an element of this with RoofCERT, but I’d say it’s

more about taking what’s positive in the sector,

adapting this and putting in place a professional

structure that sets roofers on a level with others

such as electricians and plumbers – and moves the

sector and operatives away from the handyman /

general builder image that those outside of roofing

often label it with. An accreditation will help roofing

present itself as a positive career option for new

entrants, whilst still attracting workers from the

traditional routes, pitch it as a specialist skill in the

eyes of the supply chain and customers, and

ultimately raise standards and enable operatives to

command higher prices on projects – all positives

that will help secure the future of roofing and

position it well for the many challenges the wider

construction industry continues to face.

For further info on RoofCERT and becoming an

accredited roofer visit: www.roofcert.co.uk

OCTOBER 2019 TC 27


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Marketing Talk

‘YOU ARE YOUR BRAND’

George Stewart, Regional Manager for SIG Roofing, explains why ‘you are your brand’

and how to make a success of it...

Someone once said ‘you never get a second

chance to make a first impression’. It’s a

simplistic way of looking at things, but it’s

true, and in business it’s essential you get that

first encounter right as its widely accepted people

make their mind up about what sort of person

they are dealing with within the first seven

seconds.

But before you win that first meeting there’s work

to be done.

Let’s assume you have a business plan and

you’ve taken soundings, perhaps from fellow

roofing professionals, to establish there’s

potential demand for your services.

Now you have to think about how you will present

yourself to your customers. I don’t mean the

channels you choose for your marketing, although

that’s important. I’m talking about the need to

decide what sort of business you want to be

perceived as.

Putting it in retailing terms, are you a discount

store, a mid-range supermarket, something more

upmarket or a top end department store?

Influencing expectations

Where you position yourself will influence customer

expectations. At the lower end they will still expect

a good job but at a ‘budget’ price. This will be

reflected in the service provided and materials

used, and ultimately the rate you can charge.

It almost goes without saying that at the premium

end of the scale, expectations will be higher.

The customer will expect to see the best quality

materials being applied by highly skilled

craftsmen and absolutely first class levels of

service. And they will be anticipating an

appropriately sized bill to cover the cost.

Your brand identity, or logo, can convey an

“Reliable?

Professional? Expert?

Friendly? Responsive?

They all contribute to

your reputation or

brand”

impression of your style of business. Bold,

blocked lettering in brash colours will suggest a

competitively-priced offering, while something

more subtle and style-focused will point towards

upper-end quality.

So you’ve decided on your market, but it’s

crowded out there with 63,000 other roofing

professionals working in the industry. So what

else do you want to be known as?

Reliable? Professional? Expert? Friendly?

Responsive? Probably all of these. They all

contribute to your reputation or brand.

Be your own ambassador

As a small business, it’s almost certain that it

will be you that the customer will be dealing with.

It will be a very ‘personal’ service and you will be

your own ambassador.

So it’s vital to remember that word-of-mouth and

recommendation are potentially your most

powerful marketing tools.

How you are and what you do can follow you

around, and even go before you. Here I’m talking

not only about personal recommendation but also

review sites.

The public are increasingly scrolling through

online reviews before they make their purchasing

decisions.

Do you leave a job neat and tidy? How easy are

you to do business with? Are you readily available

when a customer has a query or do you send a

junior member of the team?

What is your telephone manner like? If someone

leaves a message, how quickly do you respond?

Is your pricing accurate and transparent? All of

these will impact on what customers think and

whether they put your name forward to friends

and family.

Worth the time and effort

Remember, it can take a good deal of time and

effort to build your profile and create a successful

brand. But it can be lost very quickly, particularly

in these days of social media. So there’s a lot to

think about as you prepare the ground for that

first encounter, but it will be worth it.

Of course, you should also put an appropriate

amount of time aside for advertising, updating

your website if you have one, leaflet drops and for

spreading the word on social platforms.

Your van will be an excellent mobile advertising

hoarding, and when you’re on a job a simple board

with your carefully designed logo on it at the front

of the property will put the name of your business

and contact details in front of passers-by.

But remember, when they make that call it’s down

to you and how you respond. You are your brand.

Contact SIG Roofing

0845 612 4304

www.sigroofing.co.uk

@SIGRoofing

30 TC OCTOBER 2019


New name,

serious roofing heritage

Redhill 1936

2019 see’s BMI Redland celebrate 100 years of concrete tile production

and we’re proud to look back even further to 1837, when our first

Rosemary clay tile was made. Ever since we’ve been delivering innovative

roofing and waterproofing systems. Now as BMI we continue this work

by providing shelter, protection and peace of mind for architects, roofers,

building and homeowners alike - through roofs that are designed to

transform the way people live and work.

bmigroup.com/uk

Providing total roofing solutions


Clay Pantiles

TECHNICAL Q & A

Tom Woodhouse, Site Services Manager at Marley, answers

contractor queries about pantiles.

Pantile roofs are a beautiful and iconic part of British architecture, particularly in certain parts of

the country such as Lincolnshire, East Anglia, Norfolk, Yorkshire, Humberside, the South West

and some parts of Eastern Scotland. However, despite their good looks, traditional pantiles do

have a reputation for being tricky to install to modern fixing standards.

Below, we answer some common pantile queries:

Above and below: The Eden pantile from Marley.

1What is the minimum pitch for a clay

pantile? It really does depend on what tile

you are using. Traditional machine-made

clay pantiles tend to have a minimum pitch of

around 30 degrees, while handmade pantiles can

be even steeper. However, our new Eden pantile

can be used down to a low pitch of just 22.5

degrees, giving contractors a low pitch traditional

option, where up until now there hasn’t been one.

If you need a lower pitch than this, there are

several interlocking clay pantiles on the market

that could be suitable. For example, our rustic

Lincoln interlocking pantile can be used down to

17.5 degrees and our Melodie interlocking pantile

has a very low minimum pitch of 12.5 degrees.

So, there are a number of options for low pitch

projects and if you need advice, our technical

team can advise you on the best solution.

2Can I use a dry fix system with a

pantile? Again, it depends on the tile you

are using. Some handmade and traditional

machine-made pantiles aren’t suitable for use

with dry fix systems because they have deep and

sweeping rolls, with natural variations in size,

which means there can be gaps. However, both of

our clay interlocking pantiles and our new

traditional pantile, Eden, have been specially

designed to be compatible with our Dry Fix

systems.

While BS 5534 requires all ridges and hips to be

mechanically fixed, this doesn’t have to be dry fix.

For some pantile projects, particularly sensitive

refurbishments or projects in conservation areas,

sometimes dry fix isn’t the right option

aesthetically. In these cases, we offer a

mechanical fixing kit to ensure BS 5534

compliance while maintaining traditional

aesthetics.

3Do I have to install to BS 5534? The short

answer is yes but, actually there are some

special exceptions for heritage and

historical projects, in which case you need to

check with your local planning office first.

However, for the majority of new and

refurbishment projects, pantile roofs will have to

meet BS 5534 fixing requirements, which means

all pantiles have to be mechanically fixed with

nails and / or clips depending on location and

exposure.

Some modern machine-made traditional pantiles

do have nail holes drilled into them to make this

a bit easier. However, our new Eden traditional

pantile has been specially designed with subtle

features to make it much quicker and easier for

contractors to install it to BS 5534 requirements,

including a specially designed SoloFix channel to

make BS 5534’s two point fixing easier, a flat

back on the rear of the tile so it doesn’t rock

during installation and an enlarged nib for easier

nailing.

Whether you’re using an interlocking pantile, or

the new Eden, using a one-piece clip and nail like

SoloFix can save up to 30% on roof clipping time.

4Will an interlocking pantile be accepted

by planning? It depends on the area and

on what type of project you are working on.

Our Lincoln interlocking pantiles have been

approved for barn conversions in conservation

areas and many planning departments across the

country are happy for them to be used. However,

inevitably there will be some projects, particularly

heritage developments or sensitive

refurbishments, where an interlocking tile won’t

be accepted either by planning or for aesthetic

reasons.

Our Eden tile has been designed for these very

situations. It is a traditional pantile, which even

comes in a reclaimed colour for heritage projects,

but it has some clever features which make it

quicker and easier to install to modern standards.

Yet, the design improvements are so subtle that it

doesn’t compromise on the traditional character

of the pantile, so it is suitable for use on all

projects.

Contact Marley

01283 722588

www.marley.co.uk

@MarleyLtd

32 TC OCTOBER 2019


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Membrane Choice

PITCHED ROOF MEMBRANES:

CONTRACTOR CONSIDERATIONS

The experts at A Proctor Group outline some of the key

considerations when choosing pitched roof membranes.

Choosing the right roofing membrane depends on the roof you are covering. Finding a membrane

that is best suited to your project can be a straight-forward process after answering a few basic

questions:

Pitched vs. flat roofs

While the shape of the roof should make this

point obvious, it’s important to emphasise that

flat and pitched roof membranes are not

interchangeable. Pitched roof membranes differ

from those used on flat roofs in many ways

including their material properties, the type of

protection they provide, and the roof functions

they are designed to support.

While this article will cover considerations for

pitched roof membranes only, a good starting

point is to make sure you’re shopping in the right

aisle to begin with.

HR vs. LR membranes

BS 5534 broadly divides pitched roof membranes

into two categories: Type HR (high water vapour

resistance) and Type LR (low water vapour

resistance) which are also often air permeable.

The Standard describes exact values of air and

vapour permeability that HR and LR membranes

must conform with in order to be classified as such.

The primary function of both HR and LR

membranes is to be water resistant. This property

enables the membrane to protect vulnerable

materials beneath it such as the insulation and

roofing timbers, and helps prevent water ingress

into the roof space for the lifetime of the building.

Selecting a membrane with the correct level of

water resistance is especially important over the

period of time when the primary roof covering has

not yet been installed (i.e. tiles, slates).

The main difference between HR and LR

membranes is in the role they play in preventing

condensation in the roof space. LR membranes

are sometimes called “breathable” because they

allow air and water vapour to pass through them

easily, thereby preventing moisture building up

and condensation from forming. Conversely, HR

membranes are called “non-breathable” because

they block air and moisture movement. Roofs that

use Type HR membranes will require additional

measures to allow moisture to escape from the

roof space.

Vents or no vents?

Water vapour is continuously formed in all

buildings by inhabitants and everyday processes,

and must be ventilated outside. Water vapour

that is allowed to accumulate in building spaces

risks cooling and condensing into liquid water.

The resulting dampness can cause problems like

mold and mildew growth and even structural

damage over time.

HR membranes by definition do not allow water

vapour to pass through them so, if they are used

on a pitched roof, additional roof &/or soffit vents

must be installed to provide ventilating capacity

and avoid condensation problems. Any vents that

penetrate through the roof / roofing membrane

must be sealed carefully to prevent potential

water leakage. Adequate gaps in the membrane

along roof ridges and appropriate tile batten gaps

must also be observed, all adding extra time and

extra costs to a project.

On the other hand, LR membranes prevent

condensation by allowing moisture to move easily

through them and not accumulate in roof spaces.

Roofshield: the complete solution

BBA certified: For both cold- and warm-pitched roofs.

Water resistant: With the highest rating for water

resistance (W1), Roofshield can be left exposed to provide

effective temporary weather protection on roofs for up to 3

months.

Vapour permeable: Roofshield is one of the highestperforming

vapour permeable membranes on the market

(vapour resistance = 0.065 MNs/g, Sd = 0.013m).

Air permeable: By being fully air permeable and providing

a more uniform level of ventilation than conventional

vents, high-level ventilation is not required on NHBCapproved

projects.

Suitable for wind zones 1-5: Third-party testing confirms

that Roofshield is suitable to be installed on projects

across the UK in every wind zone.

LR membranes that are also air permeable can

save on material costs by making additional roof

and soffit ventilation unnecessary. This means

installing the membrane will be faster and

simpler with less elaborate detailing, plus the

integrity of the roof will be better preserved by not

having vents creating points of weakness through

the fabric. Using the right LR membrane could

even take away the need for an internal VCL,

further simplifying the job on the inside as well as

the outside.

Wind uplift zones

Contractors should understand the effect that

geography can have on a roofing membrane

specification. The UK is divided into five wind

zones, where Zones 1-3 cover most of England

and Wales, whilst 3-5 covers Scotland and the

outlying islands. All roofing membranes have a

“wind-uplift” classification which determines

which wind zone they are suitable for. It is

important to look for this rating as not all pitched

roof membranes can be used in all wind zones.

Contact A. Proctor Group

01250 872 261

www.proctorgroup.com

@proctorgroup

34 TC OCTOBER 2019


Focus...

on results

When you need a reliable solution, you need a team behind you with

experience, dedication and quality unrivalled in the delivery of industry

leading products. At SR Timber we FOCUS on:

n Product quality and distribution

n Sustainability, Certification and British Standards

n Continued investment and ranges

With decades of experience, our team is more

passionate than ever, offering you expertise,

independent advice, experience and industry support.

TEL: 01623 446 800

sales@sr-timber.co.uk

www.sr-timber.co.uk


An Inspector Calls

RIDGES AND HIPS: HOW TO AVOID

THE WORST CASE SCENARIO

In our regular monthly column – ‘An Inspector calls’ – Total Contractor has teamed up

with the experts at BMI UK & Ireland, leaders in pitched and flat roofing solutions, to

help you avoid the common pitfalls that can often cost you both time and money and

ultimately help you achieve roofing success.

This month the Inspector nails

down the question of

repairing ridge or hip

tiles.

It’s a pretty common

sight on roofs across

the UK; ridge tiles, as

shown in the image

(right), that have

effectively lost all the mortar

bedding – front, bottom, back (no

doubt) and sides. Consequently, it’s only

a matter of time before one or more departs the

roof and makes its way down to the ground in a

damaging and potentially injurious – even lethal

– way.

Repairing a bedded ridge or

hip tile such as this is

one of the most

common minor

repairs undertaken on

a pitched roof, and

prior to 2014 the

solution was a simple

one. Remove the tile,

clear the old mortar before

mixing new and re-bedding the

fitting alongside its counterparts. Job done!

However, all that changed with the introduction a

few years ago of BS 5534:2014 the Code of

Practice for Slating and Tiling in the UK and then

subsequently the amended version BS 5534:2014

+A2:2018. It applies to all pitched roofing,

whether new build, re-roofing or repair work, and

although not legally

mandatory, compliance

with it is considered

not only best

practice, but also

provides the best

defence in the event

of failures or

disputes.

The revised code of

practice states that the use of

mortar alone can no longer be relied

on as a method of fixing, as it has been deemed

to provide no reliable adhesion. Mortar can still

be used but only if accompanied by mechanical

fixings. This means if mortar is used

then additional materials are

needed including a

ridge/hip batten with

fixings to rafters, and

mechanical fixings for

securing the ridge/hip

tiles to the ridge/hip

batten.

Remove the risk

While the above secures the

ridge/hip tiles it does not eliminate

the risk of mortar failure, resulting in roof leakage

and subsequent repair work as the mortar can

still crack and drop out of the mortar bed. A

simple way of avoiding all the hassle associated

with mortar is to use the alternative of modern

dry-fix ridge/hip solutions instead.

“Worst case scenario

is that the tile may fail

and cause injury or

damage when it drops

from the roof”

Images: top – Ridge tile in need of repair; bottom – Dry fixed

ridge installation.

So now we need to consider how we secure a

ridge batten beneath the pre-existing tiles to

achieve the mechanical fix, which inevitably

leads us to the stripping of more ridge tiles. In

fact, the argument for replacing the entire ridge is

now quite compelling given that the visible

degradation of this one tile will most likely be

followed with the failure of the rest. Why waste

money making multiple minor repairs when you

can strip and re-fix in one go?

Either way a supporting timber must be installed,

and a mechanical fix or dry fix system must be

employed to properly secure the tile. If not, then

worst case scenario is that the tile may fail and

cause injury or damage when it drops from the

roof. This situation is not as rare as you might

think and the consequences for the roofer could

be quite severe, so it’s well worth brushing up on

your standards and ditching that old reliance on

mortar.

Contact BMI National Training Centre

01285 863545

www.bmigroup.com/uk

@_Redland / @Icopal_UK

36 TC OCTOBER 2019


Grade 2 Listed Property – Northamptonshire

Re-Roof Your Home

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Natural Slate: Advice

NATURAL SLATE: MAKING THE GRADE

Time-pressured roofers often overlook grading, sorting and correct holing techniques when

carrying out a natural slate roofing project. To do so is a mistake, says Ged Ferris of Cembrit.

Good workmanship is the foundation of a

successful natural slate roofing project. A

project that is well planned and executed

will prove rewarding for the contractor and client

alike. However, a project that is ill thought-out and

hurriedly executed is likely to generate disputes,

both in the short and the long-term. Taking a little

extra time to do the work according to the codes of

practise can quite literally pay dividends.

An area that needs particular attention on natural

slate projects, is the process of grading and

sorting. A common misconception is that preholed

slates are already graded and sorted. This

is definitely not the case.

There is excellent guidance readily available to

anyone who is in any doubt as to the correct

procedures to follow when grading and sorting.

The best guidance is contained in “Workmanship

on Building Sites BS 8000:1990 Part 6 Code of

Practice for slating and tiling of roofs and

claddings”, Clause 4.3 parts (a) to (c), and has

recently been updated and is easy to understand.

This standard applies to all types of natural slate,

regardless of origin or grade. It has two main

recommendations:

• Sort slates into 3 or 4 groups of equal

thickness.

• Lay slates of equal thickness in any

one course, with the thicker end (if

any) at the tail. Slate the roof

with the thicker slates in the

lower courses and the thinner

slates in the upper course.

Making sure to follow these two

steps will go a long way to preventing

problems further down the line. If these steps

are ignored, there will be a knock-on effect and

problems such as ‘bird-mouthing’ may occur. So, a

good grading and sorting session prior to laying any

slates will be time well spent.

It is also important to ensure that slates are holed

correctly, if the slates are not pre-holed. The

correct method is to hole the slates by either

drilling or boring from the underside with each

slate holed to the specific headlap. They must

also be holed at the thin end (which is overlapped

by subsequent courses of slate). On large roofs,

where several thousand slates – supplied in

several crates – are to be used, the quantity

required for one slope should be sorted at any

one time before the slating starts on that slope.

Mounting holes should be 20-25mm in from the

side of the slate and for head-nailing the holes

are usually around 25mm from the slate head. In

the past, when slates were supplied unholed, it

was the roofer’s job to hole the slates

on site prior to fixing. The process

of removing the slate from the

crate, ascertaining which was

the thin end (i.e. which end

had to be covered by the next

course and hence from which

side to strike the nail hole) and

consequently handling each slate

individually, meant that the roofer was

simultaneously feeling the weight and thickness

of the slate. It was then just a matter of putting

the holed slate into one of 3 or 4 consistent

batches prior to hauling the slates onto the roof.

This process automatically ensured that the

slates lay flat and gave an even appearance to

the finished roof.

At the Glendyne slate quarry in Canada, slates

are bevelled, holed if necessary, and then

inspected and graded for thickness, surface

texture and flatness before being packed into

pallets for shipment. Quality assurance checks

are undertaken on crated slates prior to

despatch. The focus on quality management,

application of the latest techniques and an

experienced workforce – where approximately 1/3

are involved in sorting and quality checking –

creates a top-quality product. Cembrit is proud to

state that Glendyne is only available in first

quality grade. The result is a regular, high

performing roof slate, popular with slaters and

comparable with the best renowned natural

slates available in the UK. The tightly controlled

production gives a consistent thickness and

means that the finished roof will be uniform, neat

and authentic.

Contact Cembrit

0203 372 2300

www.cembrit.co.uk

@CembritUK

38 TC OCTOBER 2019


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OCTOBER 2019 TC 39


Perfectly Pitched

SITE SUPERVISION IS CRUCIAL FOR

TODAY’S ROOFING PROJECTS

Pitched roofing consultant John Mercer – writing on behalf of Edilians – says supervision is

key if we’re going to tackle poor installation practice on roofing projects.

Irecently carried out a roof survey on a new

housing development at the request of the

housebuilder to determine how the roof tiles

had been fixed; i.e nailed and/or clipped.

The calculated roof tile fixing specification for this

site is to nail and clip perimeter tiles, clip all tiles

in the Local Areas and nail all tiles in the General

Areas (see illustration). The specification had

been supplied by the roof tile manufacturer to the

housebuilder who, in turn, had supplied it to the

roofing contractor. During the inspection, it

became clear that the roof tiles were not fixed in

accordance with the fixing specification nor in

accordance with the recommendations of BS

5534. Tile and eaves clips had not been used and

many tiles were not fixed at all.

Following the introduction of the 2014 edition of

BS 5534: British Standard Code of practice for

slating and tiling, there were widespread PR

campaigns by organisations such as the NFRC,

NHBC and many product manufacturers. With the

widespread promotion, surely there cannot be

anyone left in this industry who doesn’t know that

all single lap tiles must be mechanically fixed and

that all perimeter tiles must be twice fixed?

In my example above, the housebuilder

acknowledges that it does not closely supervise

subcontracted trades such as roofing. The

various trades are contracted to carry out work

fully in accordance with the specification and all

relevant Standards and that is what they

expected to happen. Similarly, the roofing

subcontracting company has clearly not provided

adequate supervision of its operatives on the site.

I must point out that, in my example, both the

housebuilder and the roofing subcontractor are

well-respected and responsible companies.

Unfortunately, in this case, the estimated costs

involved in

rectifying the roofs

and bringing them

into full compliance

are so large that

the subcontractor

and possibly even

the housebuilder could potentially be forced out

of business.

On the right road?

It is often said that a home is usually the most

expensive purchase most people will make in

their lives, with a car possibly being the next

most expensive item. The car industry has

improved and innovated considerably in my

lifetime – I can remember a time when the

quality of new cars varied greatly, but now the

vast majority, regardless of their make or price

range, are built to an exceptional level of quality

and reliability. Every component is carefully

specified by the car manufacturers and quality

control is closely scrutinised.

Sadly, the same cannot always be said of new

houses. In theory, there is nothing wrong in

leaving the finer points of the specification to

each sub-contractor – after all, they should be

the experts in their field – but in the present

method of construction of new homes, there are

clearly problems. It seems that the current onsite

building model we have, in which much of

the responsibility for specification, compliance

with Standards and standards of workmanship

are largely left up to subcontractors, simply does

not work nor provide the end customer with a

good quality product.

Of course, many new homes are built to a high

standard and with no problems for the

homeowners, but

the increasing

incidence of

defects is

becoming a major

Image: Fixing spec for a house. concern. This

problem has even

been the subject of several major television

programmes and newspaper articles, with one

national newspaper recently describing it as “a

crisis of quality in new-build homes”.

Unless ways of ensuring that the correct

materials are used and specifications are being

followed on building sites improve, builders are

likely to turn to off-site construction methods,

which is a threat to many traditional building

materials as well as to the contractors who work

every day on building sites. In a factory

environment, each construction process can be

carried out by non-skilled personnel who are

trained to simply repeat set functions, rather than

being undertaken by skilled tradesmen. No doubt

many operations can be automated in a factory

too, just like the car industry.

Certainly, in this age of housing shortages, off-site

home construction will continue to increase as

people become aware of the advantages of modular

construction – however let’s not forget there are

disadvantages also. So, if on-site construction is

to continue, with all the benefits it brings, then

closer supervision must surely be top of the

housebuilders’ list of areas to improve. That said,

subcontractors must also improve their own

supervision if they are to avoid costly call backs.

Contact Edilians / John Mercer

www.imerys-roof-tiles.com

@imerys

@johnmercer3

40 TC OCTOBER 2019


Complete Building

Envelope Solutions

featuring Kingspan RW

Pitched Roof System

Superior build

speed

Options for PV

integration

Precision extruded

daylighting

LPCB-approved membranelined

insulated gutters

Height safety and

fall arrest systems

Specialist support from

Kingspan Technical Services

Bespoke flashings and

fabrications for design flexibility

Kingspan’s own complete range

of structural steel products

Kingspan Insulated Panels RW Roof system is a factory-engineered single

component system for very fast installation.

The system comprises a complete range of structural steel products, high performance panels,

insulated gutters, superior polycarbonate daylighting, height-safety systems and a bespoke

range of corners and flashings. As a manufacturer of the complete roof system including all

components, we’re with you all the way with services to help save time and maximise project

value and performance.

The system can be protected by the Kingspan Warranty.

Kingspan Insulated Panels

Greenfield Business Park No.2, Holywell, Flintshire CH8 7GJ

Tel: +44 (0) 1352 716100 www.kingspanpanels.co.uk


Heritage Roofs

REPLACING ROOFING MATERIALS

ON HERITAGE BUILDINGS

The team at Burton Roofing Merchants look at the considerations that need to be made

when replacing roofing materials on buildings of national importance.

Likely to be the oldest and least altered part

of a historic building, the roof is often the

most original part and the first stage in any

historic roof work is to observe and record what

is there. Traditional roofing materials including

stone, slate, clay, copper, lead, mortar mixes etc.

all combine with the detail, style and the

structure of the roof to make it unique.

An understanding of what is there is essential

when there’s a need to replace roofing materials

on buildings of historic importance. Natural

England state the emphasis should always be on

matching details appropriate for the locality and

age of the building. The fact that a historic roof

has survived for so long is a testimony to the

design, materials and craftsperson’s skill. Whilst

it might be tempting to introduce modern

products, it’s important not to dilute

regional distinctiveness and replicate

the roof as closely as possible,

allowing it to continue to perform

for centuries to come.

Wentworth Woodhouse: Aura

Conservation

An example is the heritage roofing work

currently taking place at Wentworth Woodhouse.

Built between 1725 and 1750 and Grade I listed,

the mansion was purchased for £7million by the

Wentworth Woodhouse Preservation Trust in

2017, following a five-year campaign with SAVE.

Its Grade I listed stables and riding school were

built from 1766 and the riding school roof is being

repaired as part of a major restoration project

undertaken by Aura Conservation who specialise

heritage restoration and builds. Dave Anderson,

the company’s Contract Manager, recently invited

us to visit the prestigious project and witness

how our roofing materials are being used.

The slate roof is being replaced ‘like for like’ with

Burlington’s Slate from Cumbria. Quality slates

probably have an indefinite life, but once the roof

starts to suffer, whether it be the loss of pegs or

‘nail tiredness’ it’s better to strip and re-nail it.

Whilst battens and nails would have originally

been attached with oak pegs, today, unless the

pegs are still in existence, broad-shanked copper

nails are often an acceptable alternative.

Even the best materials lose their character if

they are used without understanding and skill

and it’s essential that heritage work is carried out

by true craftspeople.

Bench axes and slaters axes

Aura’s team are shaping and holing the slate on

site using traditional tools including the

bench iron and slaters axes. It’s

estimated 75% of the original

slate can be salvaged and

wherever possible the old slate

will be reused elsewhere on the

roof.

Slates can be supplied in a sized format

(fixed lengths with random widths) which help to

retain a traditional random element to the roof

design, whilst speeding up the laying process to

reduce installation costs.

Roof timbers were made of English oak and pitch

pine. The latter is used to waterproof ships

because the sap produced by the timber acts as

waterproofing. Felt would obviously not have been

in use when the main house was originally roofed

in 1720. Its evidence reveals that sections have

been re-roofed fairly recently.

Above: Aura Conservation carried out works at Wentworth

Woodhouse which was originally built between 1725 – 1750.

Bat considerations

Over the last 100 years, some species of UK bat

have now come to rely predominantly on manmade

structures for shelter and roosting. Natural

England always specifies 1F bitumen felt

underlay. Simple to install and heavy enough to

help prevent wind uplift, the traditional Hessian

weave 1F felt is still manufactured in virtually the

same way as it was 100 years ago. Even when no

bats are thought to be present, a modern

breather membrane is considered a potentially

fatal future trap bats can get tangled in, but the

1F felt has a rough surface bats can grip onto.

Working with the Bat Conservation Trust, Burton

Roofing Merchants have a national press

campaign to raise awareness of the decline in the

bat population.

Contact Burton Roofing Merchants

0800 124 4431

www.burtonroofing.co.uk

@Burton_Roofing

42 TC OCTOBER 2019


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Head Protection

ECONOMY-PRICED PPE CAN COST

MORE THAN YOU THINK...

MSA Safety says it’s not what you spend – it’s what you get.

With PPE, there’s a monumental

difference between buying cheaper hard

hats and face protection and investing

in high-quality helmets like the MSA V-Gard and

complete above-the-neck safety solutions.

Purchasing head, eye, face, and hearing

protection (HEFH) from a value-added safety

partner lets you maximize your PPE budget. That

means you get a better, more consistent return on

the budget you spend, saving you between 20

and 80%. MSA has developed thousands of

products, owns hundreds of patents, and has a

global reach in the millions – all to keep in motion

the mission of worker safety that started more

than 100 years ago.

So, what does this mean for you?

Look at the total value of your purchase instead

of only the per-item cost. You’ll realize the money

you invest with MSA, including V-Gard Hard Hats

and accessories, can pay you back in ways that

spending on discount hard hats never could:

• Purpose-built for the type of work

• Tested to perform in some of the toughest

environments imaginable

• Engineered for increased service life

• Designed to meet MSA’s strict safety, function,

durability, and usability criteria.

HEFH PPE purchasing checklist

Even if you factor in the initial savings provided

through bargain brand PPE, it may in fact equate

to larger and potentially extreme costs over the

life of the hard hat. Use this pre-purchase

checklist when selecting your PPE.

EXAMINE THE QUALITY There’s a reason MSA is

known worldwide as “The Safety Company.” It’s

because we harness precision engineering to

craft high-quality safety products to help people

across the world work safely in their

environments. Quality materials and construction

mean better durability and a longer wear life. The

MSA V-Gard Hard Hat is the #1 Hard Hat for a

reason.

WHAT IS IT TESTED TO? MSA V-Gard Hard Hat is

certified to every optional criteria available – it is

100% lot tested. As evidence of our commitment

to quality, MSA also maintains ISO 9001 quality

management system registrations at major

production and service locations.

WILL WORKERS WEAR IT CONSISTENTLY? If it’s

not comfortable, workers will find an excuse not

to wear it. That’s unsafe and not compliant and

could lead to serious injuries. The MSA V-Gard

Hard Hat provides superior comfort through our

Fas-Trac III Suspension, in fact, in a blind study

conducted by MSA, the Fas-Trac III Suspension

was chosen 92% of the time over the

competition. With features like an adjustable

nape strap for increased balance and stability,

flush suspension tabs to help eliminate

compression headaches, integrated perforated

sweatband for added cushioning and sweat

management, nape strap cushioning to increase

airflow, retention and prevent hair pulling, the

Fas-Trac III Suspension helps to keep the worker

comfortable while getting the job done.

LOOK AT TYPE & SIZING OPTIONS The MSA V-

Gard Hard Hat offers the widest range of options

on the market; 3 different shell sizes; 3 different

suspension sizes; and 5 different suspension

types helping to ensure a proper fit for a wider

range of head sizes in a wider range of

applications. Our suspensions also feature

continuous weave webbing that self-adjusts to

the contours of the wearer’s head providing a

custom fit. Plus, we offer 13 different styles of

shell including Type I and Type II, front brim and

full brim, plus the V-Gard GREEN Hard Hat – the

world’s first and only hard hat made from

renewable resources, venting options to help

reduce heat stress, and more.

CHECK ITS PERFORMANCE RATING: Every

application is different, so every piece of safety

equipment must be, too. Whether it’s welding,

grinding, cutting, or operating heavy machinery,

MSA has a range of solutions that helps you

protect the worker for the job at hand.

DETERMINE THE “COOL FACTOR”: Today’s

workers want to look as good as they feel in their

PPE. The MSA V-Gard Hard Hat offers 27 gloss

colour options, 10 matte colour options and can

colour match thousands of others. We offer Logo

Express and personalization capabilities with

second to none turnaround and quality.

LOOK UNDER THE PROVERBIAL HOOD: PPE

needs to work, and it needs to last, even in tough

environments. UV inhibitors in our colorant are

designed for and tested against some of the

harshest environments, for five years of

outstanding performance.

EXTRAS, EXTRAS? Alone, a hard hat is good,

including accessories for the job at hand, even

better. MSA offers more than 100 accessories

designed and tested specifically to attach to

our V-Gard Hard Hat to ensure optimal

performance.

Contact MSA Safety

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44 TC OCTOBER 2019


100,000 miles of blood vessels and 100 billion neurons enable your brain to make

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Advertorial: Crest Top-2000 S Finish

CONTRACTORS EMBRACE THE

NEW PROTECTIVE TOP-2000 S FINISH

Crest Nelskamp high quality concrete Double Roman and Double Pantile roof tiles provide

brilliant durability and longevity.

Crest Nelskamp Top-2000 S finish and

micro concrete surface technology is

available on the Double Roman and

Double Pantile, giving the roof tiles a clean,

smooth and round trimmed edges. The high

quality and workmanship set new standards for

concrete roof tiles. All concrete roof tiles have a

durability guarantee for 30 years, so whatever

style and finish, you have complete peace of

mind.

The range of Double Roman and Double Pantile

concrete roof tiles are specially crafted and

engineered by Nelskamp, a leading German

manufacturer. With the most up-to-date

manufacturing plants and special preparation

treatments, Crest Nelskamp roof

tiles are recognised for their

use of high quality

robust materials and

proven

manufacturing

techniques.

An energy

conscious

production

processes, as well as

a recycling concept,

enhances our contribution

towards a clean environment.

Nelskamp concrete tiles are produced according

to DIN EN 490/491 and

DIN18338. The deep side

interlock provides

optimal protection

against wind driven

rain, snow and

dust particles.

The popularity is

not simply due to

their quality and the

variety of colours, but

also “pore free” edges

and smooth surface, when

choosing a concrete roof tile. They

are becoming the preferred choice for the

discerning specifier and contractor, and are being

used on a considerable amount of properties

across the UK.

Rodney Hogg Crest National Roofing Manager,

said the feedback when speaking to roofing

contractors has been very positive with

comments like; “Working with these products we

have found we are completing the installations

faster and we can move onto the next project

quicker”; “it’s easy to handle”; they have “low

breakage” and “the two nail holes offering a

wider scope to fix and secure the roof tile to

comply with BS 5534, this gives us an

economical advantage.”

Images above and left show Crest Nelskamp’s Double

Pantile roof tiles in rustic, which are available with the Top-

2000 S finish.

Graphic shows a breakdown of the Top 2000 S Finish.

Contact Crest

01430 432 667

www.crest-bst.co.uk

@crestBuildProd

46 TC OCTOBER 2019


BMI Centenary Focus

FURTHER GROWTH IN SWINGING 6OS

Late 2019 marks the centenary of concrete tile manufacture in the UK through BMI UK &

Ireland’s Redland brand. The build-up to this milestone of 100 years of concrete tile

manufacture is being marked by the company acknowledging not only its rich heritage and

experience reaching back 180 years, but also the achievements, innovations and

philosophy that has led it to be the largest manufacturer of flat and pitched roofing and

waterproofing solutions in the UK and Europe.

When the Redhill Tile Company was

founded in Surrey in 1919, it was the

start of a journey that would end in the

concrete tile maker being part of a business that

now spans the entire spectrum of roofing

solutions: from concrete, clay and metal tiles and

reconstituted slate, through to reinforced bitumen

membranes, hot melt, single-ply and liquid

waterproofing systems.

The modern story of BMI UK & Ireland starts in

the ‘Swinging Sixties’. In the first three years of

the 1960s, Redland enjoyed tremendous growth

as it opened or acquired seven new factories –

including the Grovebury Tile Works in Leighton

Buzzard, replaced by the nearby Vandyke Works,

and Shawell, near Lutterworth. The Grovebury

site continued until 1979, when a modern, fullyautomated

factory was built just under two miles

away.

Shawell – which makes the popular plain tile

appearance Duo-Plain

concrete tile – recently

benefited from a

multimillion-pound

investment in a new

DuoPlain manufacturing line

that will help secure supply

of these important products

into a market that is

currently experiencing great

demand and extensive lead

times.

In 1963, Redland launched

Stonewold II. Used on

BMI Redland’s Duoplain

thousands of roofs across

the country, Stonewold II is

the original flat-profile

concrete slate with

interlocking edges.

Imperially-sized and suited

to larger roofs with pitches

as low as 17.5º, it is ideal for

achieving a cost-effective

slated roof effect.

Impressively, the original tile

line is still in use.

Two major achievements

Always focussed on innovation and pioneering

technologies, 1965 and 1966 marked two major

achievements for the company. First, in 1965, in

Horsham, Sussex, Redland built the construction

industry's first wind tunnel dedicated to the

testing of roof systems in the harshest weather

conditions. The wind tunnel's power came from a

mighty Merlin engine, the

WW2 legend, which remained

in place until the tunnel was

rebuilt at a cost of

£2,000,000 in 1990.

Stonewold Slate on the front cover of The National

Builder, March 1961.

Second, in 1966, Redland

invented the concept of dry fix

roofing, with its first patent

for a dry verge system. Dry fix

has now become a norm,

with the latest development

being BMI’s introduction of

two new dry verges to meet

the requirements of BS 8612:

Dry-fixed ridge, hip and verge

systems for slating and tiling.

Such innovations in the

1960s required a new level

of technical understanding,

and towards the end of the

decade Redland produced its

first technical manual – the

Redland Red Book, described

as the go-to literature

resource for the roofing

sector for decades.

Finally, the decade closed

with Redland purchasing a large holding in an

Australian company, Monier, a name which – like

1950s investment in Braas – was destined to

dominate the future direction of the company.

With a heritage in concrete tile manufacture going

back a century, not to mention 180 years in clay,

BMI – formed in 2017 following the coming

together of Icopal and Monier Redland – will be

celebrating the advent of the tiles in the UK later

this year. In the run-up to the celebrations, the

company will continue to share more about its

superb pedigree, major milestones – and

enviable history of pioneering and innovating new

materials and methods.

Contact BMI National Training Centre

01285 863545

www.bmigroup.com/uk

@_Redland / @Icopal_UK

48 TC OCTOBER 2019


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Advice: Green Roofs

A GUIDE TO GREEN ROOFS: GET THE

MOST OUT OF EVERY PROJECT

The experts at Blackdown Greenroofs outline some of the key issues to consider when

installing and working on green roof projects.

Green roofs are becoming increasingly on-trend as the construction and landscaping industries recognise their potential in helping cities adapt to the

effects of climate change. By reducing the need for artificial heating and cooling in changing weather, providing new habitats to replace the ones lost

through urbanisation and reducing rainwater run-off, green roofs can only hold positive things for the future. However, we are only able to enjoy these

environmental benefits of green roofs if the right green roof system is chosen for your project and then properly designed and installed. Below, Blackdown

Greenroofs has provided its green roofs guide to help you best advise your client and get the most out of every installation.

What is a green roof?

Agreen roof, also sometimes called a living

roof, is a deck or other structure onto

which vegetation is intentionally grown.

Traditionally, there are three broad classifications

of green roof.

Intensive green roofs

Intensive roofs can offer the benefits of an urban

amenity space. They can support a range of

planting types including trees, shrubs and lawns,

similar to a regular, ground-level gardens, as well

as the integration of play and recreation areas,

due to increased substrate depth.

Intensive green roofs have higher maintenance

requirements than other types of green roofs.

Permanent irrigation systems incorporated into

the scheme will also have maintenance

schedules, but allow opportunities for blue roof

installations, which can be valuable in areas

which must deal with heavy or prolonged rainfall.

Build-up height and weight will depend very

much on the type of planting specified, however,

300 to 1500mm are the typical depths, and

weights could be in the region of 400kg to over a

tonne per sqm.

Semi-intensive green roofs

These systems are characterised by small

herbaceous plants, ground covers, grasses and

small shrubs, requiring moderate maintenance

and occasional irrigation.

Semi-intensive green roofs are low maintenance,

but some procedures are recommended to ensure

the long-term success of the plants.

Beneath a semi intensive green roof, a drainage

layer and 100-170mm of semi-intensive

substrate will be installed. Plant materials such

as turf, seed, grasses or wildflowers are planted,

completing the installation. A weight of

approximately 150-220kg per sqm must be taken

into consideration.

Extensive green roofs

These systems are ideal for improving air and

water quality as well as lowering carbon

emissions and airborne particles. Designed to

replicate the benefits of open green spaces,

extensive living roofs are virtually self-sustaining

and require no irrigation. They are lightweight and

require little maintenance and are perfect for both

new build installations and retrofitting.

A variety of hardy sedums, both native and nonnative

are typically installed in Extensive green

roofs, providing aesthetic interest and diversity.

Blackdown Greenroofs can offer this complete as

a NatureMat, which offers 95% coverage, or Plug

Plants, offering 5-10% coverage upon

installation, which will then self-populate.

Typically, the total depth of an Extensive green roof

would be 85-100mm, consisting of a 12-

50 TC OCTOBER 2019


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Advice: Green Roofs

Above: Semi-intensive build-up.

“Before any green roof can be installed, the roof

itself must be in good condition and watertight”

Above: Intensive green roof build-up.

20mm drainage layer and 70mm of substrate. It

will have a saturated weight of around 86-100kg

per sqm.

Biodiverse green roofs

Those in the industry also may hear of Biodiverse

green roofs, which, for all intents and purposes

are usually considered a subcategory of Extensive

green roofs, which have been tailored specifically

to create or replicate a particular habitat.

Biodiverse green roofs are low maintenance.

Once established, they don’t require additional

irrigation and will continue to grow into a selfsustaining

plant community. This community can

include a wide variety of succulents, grasses,

herbaceous perennials, wildflowers, alpines and

bulbs, which are typically initially installed as

plug plants or pre-determined seed mixes.

Typically, in Biodiverse roof installation, the

substrate is mounded to offer localised habitat

variation across the whole roof. This means that

the depth of a Biodiverse roof could vary between

92-170mm and have a saturated weight of

approx. 115-215kg per sqm, depending on the

depths of the substrate.

Brown roofs

A variation of Biodiverse roof, a Brown roof is

installed without vegetation, allowing the

installation to self-populate with plant life either

blown in or brought in by birds, and carrys the

same properties as any Biodiverse roof.

Installation best practice tip

Before any green roof can be installed, the roof

itself must be in good condition and watertight. If

installing a green roof over a flat roof that is

already quite old and showing signs of wear, it

will not yield a successful green roof.

Alumasc recommends the highest quality

watertight roofing be applied under a new green

roof, for example Derbigum flat roofing

membranes.

Derbigum has the longest British Board of

Agrément (BBA) certification of any leading flat

roofing membrane brand, which is up to 40 years

durability along with use at zero falls. Derbigum

membranes offer enhanced performance

properties including flexibility, excellent fire

ratings, stronger reinforcement and ease of

application.

Above: Extensive sedum build-up

Above: Extensive biodiverse build-up.

Above: Brown roof.

Contact Blackdown Greenroofs

01460 234 582

https://blackdown.co.uk

@blackdownroofs

52 TC OCTOBER 2019


TRAINING & GAINING WITH GLIDEVALE

Insulation technicians from energy efficiency

easiest way to provide controlled

and property improvement firm Aran

ventilation and combat harmful

Services have been brushing up their

condensation that would otherwise form within

skills in fitting Glidevale tile ventilators at

the roof space.

Glidevale’s sister company BPD

“We are pleased to add Glidevale tile

Manufacturing Solutions.

Left to right: Insulation technicians George Roberts, Dalan

ventilation to our range of improvements that Johnson and Martin Adaskiewicz from Aran Services together

Working with local authorities and

we are able to offer homes and

with Glidevale’s Technical Officer Thomas Brookes.

housing associations across the UK to

make homes more energy efficient, Aran

is installing Glidevale roof tile

businesses nationwide”, said

Alan Phillips, Aran Contracts

Manager.

Surveys and training are just two

complimentary support services

that Glidevale’s Technical Team

ventilators for a number of social

provides. Regulations guidance,

As part of its service to Aran,

housing providers’

toolbox talks, CPD presentations,

Glidevale’s

refurbishment programmes. Above: Glidevale Universal In-line tile vents

site take offs, plot by plot

Technical Team

Where additional insulation is

delivery, CAD detailing and

has undertaken site surveys and

installed during roofing insulation upgrades,

U-value calculations are also

given guidance across various

ventilation requirements change and should

available.

Above: Glidevale Versatile G5 tile vents.

housing developments throughout

conform to standards set out in BS 5250. When

the UK, to ascertain the type of tile vents required Call 0161 905 5700 or email

retrofitting, slate and tile ventilators are the

for the different roofs.

technical@glidevale.com for more information.

FIT IT.FORGET IT.

Trust Ubbink for

quality roofing

products to make

your life easier

Call us on 01604 433000 or visit

our website for more details.

• VENTS • TERMINALS • NON-LEAD FLASHING

• ROOFLINE PRODUCTS • & MORE

www.ubbink.co.uk

OCTOBER 2019 TC 53


Advice: Green Roofs

WATERPROOFING GREEN ROOFS:

BEST PRACTICE ADVICE...

Victoria Ramwell, from Kemper System, discusses specification and installation best practice

for waterproofing green roofs and the benefits of liquid waterproofing solutions.

Market research has predicted that by

2022 the global green roofs market will

have grown by more than £8bn within

four years. The analysis, carried out by market

research company Technavio, revealed that one

of the biggest drivers is the role green roofs can

play in reducing global warming.

solution can be installed either below or above

the insulation, depending on the type of insulation

used. This is because a number of these systems

are FLL certified as root resistant, so there is no

risk of root damage to the integrity of the

waterproofing membrane, even as plants mature

and their root size increases.

A green roof absorbs heat and adds mass which

reduces heating and air conditioning

requirements making them ideal for properties of

all kinds. For new homes, they can also provide

habitats for nature, reduce noise, manage storm

water and provide a striking addition that

matures to enhance the structure’s character.

With demand rising, contractors must consider a

number of factors to ensure a green roof is

installed correctly, paying particular attention to

the choice of waterproofing membrane, which is

a crucial specification element.

Membrane considerations

Selecting the right waterproofing membrane

between the roof substrate and the green roof

system is vital. The membrane should be flexible

enough to cope with any post-build settlement,

durable enough to cope with the planting’s loadbearing

requirements and have a sufficiently long

service life to make the green roof viable.

A common green roof design would typically

consist of an inverted warm roof build-up with

the waterproofing system applied to the roof

substrate, followed by the insulation, and then

the green roof elements. This can add an extra

layer of protection for the waterproofing

membrane as it is cushioned underneath the

insulation.

However, a cold-applied liquid waterproofing

Liquid waterproofing benefits

The recent construction of an impressive selfbuild

property in Surrey (see right) highlights the

benefits of using a cold-applied liquid

waterproofing solution in a domestic setting.

Featuring two green roofs, the detached self-build

property spans 258m² and has been designed by

an architectural practice headed by former head

of RIBA, Jane Duncan. Positioned to make the

most of the views, daylight and sunshine, it has

been built using a range of natural materials,

including timber cladding and Scandinavian

bricks.

Homeowner and former builder Nigel Warnes

helped to specify Kemper System’s Kemperol

V210 liquid waterproofing resin for the project.

The product was required for a sedum roof above

the main living area and another above the new

garage.

The liquid was installed ‘wet on wet’ in a single

process using a reinforcement fleece. The resin

was applied until the fleece was no longer

visible which indicated it was fully saturated

and enabled the contractor to obtain a

consistent depth and coverage. Once cured, the

liquid resin formed a seamless and elastomeric

membrane.

As the Kemperol is liquid applied, this also

ensured it could be easily and quickly installed

This self-build property in Surrey features two green roofs.

around any detailing, including two large

rooflights.

On the upper elevation of the property, the

contractor installed the Stratex Warm Roof

System which comprises all the elements needed

for a warm roof specification including the air and

vapour control layer (AVCL), insulation and

waterproofing.

The liquid waterproofing membrane has

guaranteed a watertight barrier between the roof

substrate and the green roof systems, and is also

root resistant. Its strength and flexibility provide

the homeowner with the assurance that the

sedum roof will remain viable for at least 20

years.

Specialist advice

Whether you’re installing a green roof for a family

home or city centre building, it is important to

seek technical advice from waterproofing and

green roof specialists. Their knowledge will help

you to install a green roof effectively, ensuring it

performs to the required specification and meets

climatic, aesthetic and biodiversity requirements.

Contact Kemper System

01925 445532

www.kempersystem.co.uk

@KemperSystemUK

54 TC OCTOBER 2019


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Height Safety

NEW HEIGHTS FOR DESIGN & SAFETY

While everyone understands the dangers of working at height, not everybody is familiar with

the challenges or solutions on offer. Understanding how protection works and what’s best

for each situation can improve the safety of workers, the aesthetics of the building, and the

efficiency of the build. Below, James Gooder of SFS explains how.

Most architects and construction

contractors commit people to working at

height – either during the building

phase, or in maintenance and repair. An essential

part of any building project, it’s also fraught with

risk – from exposed edges and damaged tiles,

through to open lift-shafts and fragile skylights to

potentially fall through. Then there’s worker

fatigue and the weather with high winds, rain and

ice presenting particular challenges.

Add in slippery algae and moss, plus the sheer

range of roof coverings, types and designs and

it’s clear that there’s an issue. Roofing

specifiers and contractors are sending out

people to work at height with

countless variables, where any

slip, trip or fall could have

disastrous consequences.

Clearly, with human

life at stake,

there is a large

amount of legislation in place to protect workers.

In addition to the Working at Height Regulations

2005, the 2015 CDM (Construction Design and

Management) regulations stipulate that any new

building which has guttering that needs servicing

must have a protective lifeline system installed.

CDM has also established RAMS – Risk

Assessment Method Statements. RAMS are

designed to ensure that health and safety risks

are fully considered and identified in order to

‘reduce the risk of those who build, maintain or

use structures’. Generally, best practice advice

says avoid working at height if at all possible.

If not, measures must be installed to

minimise risk.

Already quite stringent – in the

UK at least – regulations will

only become tighter. Right

now, a new standard,

BS EN 17235, is

being drafted

to co-ordinate the efforts of companies that

manufacture systems for roofing and safety

systems, so there’s a concerted industry-wide

effort to improve safety standards. Anyone

involved with working at height therefore has a

responsibility – moral and legal – to stop people

from coming to harm.

Despite this, specifying the optimum fall

protection systems isn’t always front of mind.

Many architects, for example, are primarily

focussed on aesthetics and using new materials

to push the boundaries of design. While they’re

aware of the need for protective systems, the

detail often isn’t specified out and is left to the

contractor’s discretion.

However, faced with multiple pressures –

including an increasing skills shortage and the

complexity of project management – these

contractors are often unable to keep abreast of

the many specialist solutions on offer. As a result,

there’s a potential for provision to fall short of

optimal.

Fall protection – knowing your type

Essentially, fall protection systems divide into

temporary or permanent.

Installed for repairs and removed when the work

is completed, temporary protection includes

scaffolding, cranes and mobile platforms. Often

costly and unsightly – as the scaffolding currently

covering Big Ben demonstrates – they can also

potentially damage the roof or structure.

Temporary solutions are often the only option for

older buildings.

On the other hand, new builds tend to incorporate

a permanent system which can be used to

56 TC OCTOBER 2019


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Height Safety

support future works. These fall into two

categories: collective restraint, and personal

lifeline.

Collective restraints include handrails, walls and

even glass parapets around the perimeter of the

building. Best practice suggests using restraints

that are at least 1.2m high to ‘fence off’ the highrisk

areas. They have merits, but they often break

the aesthetic lines of the building. Nor do they

offer protection for hard to reach areas.

With personal lifeline systems, workers wear a

harness connected by wire rope to a fixed anchor

point, allowing them to move safely around the

roof. Systems offer either work restraint or fall

arrest.

Work restraint systems guide workers within predefined

limits to prevent them from getting into

high risk areas where a fall is possible. However,

whenever a fall becomes even a remote

possibility, fall arrest systems (FAS) become

mandatory.

Arresting the fall

FAS allows workers more freedom to work on

gutters, windows and walls. Should they slip, the

system’s mechanics kick-in to break their fall.

There are many personal lifeline systems

available. Here at SFS, for example, the Soter II

offers an integrated fall and restraint solution,

with a discreet low-profile suitable for a wide

range of applications. Soter II uses a patented

energy absorbing coil to break falls and dissipate

the energy, helping minimise damage to both

worker and roof.

It also features a CE-marked Slyder device which

allows up to four workers to move freely without

the risk of entanglement.

There’s more to specifying a fall arrest system

than just the technology. For example, within the

RAMS, there should be a clear instruction of how

to rescue a worker who has fallen. This should be

done within a time limit of three minutes,

otherwise the PPE harness can start to cut off

blood circulation.

Make the right choice

With so much to

evaluate, it is

understandably

difficult to pick

the right

system.

However,

there’s really

only one factor

that matters:

ensuring maximum

protection for workers.

This is the single most

important consideration and should be

the one at the centre of decision-making. After

that, it’s a question of evaluating the factors –

roof type, access requirements, even wind load

calculations – and customising a solution to each

requirement.

“Skylights are

particularly hazardous,

due to the fragility of

the glass”

On retrofit projects, which were built without the

benefit of foresight or legislation, the building

itself will largely dictate the approach. Fall

protection systems should also look at the

potential obstacles on the roof. Skylights are

particularly hazardous, due to the fragility of the

glass.

On new builds, there’s more scope to shape the

decision. The key here, perhaps, is to ensure full

and proper freedom of movement for workers in a

way that supports the future maintenance needs

of the building, as well as the integrity of the

design.

In addition to these physical factors, specifiers

and contractors should look for added value

features, including the expertise behind the

protection systems.

For example, it’s always good

practice to use

manufacturers who

can provide advice

and support at

every stage, from

design through

to

implementation.

This helps

streamline

processes and can

even deliver cost-savings

over the lifecycle of the

project. Also important is their

investment in research, development and testing.

Roofing is ever evolving and fall protection

systems must also continuously evolve to

accommodate these advances.

Manufacturers have an unwritten responsibility to

vet the installers that use their systems. This

includes auditing and training them properly. This

not only ensures the system is installed safely

and correctly, but also efficiently. A sign of a

quality manufacturer is their ability to reach out

not just to installers but to every influencer in the

construction process. This can even start with

CPDs or similar approved courses aimed at

contractors and architects.

These are all features of SFS’s offer, but it’s not a

given across the industry. These aspects of the

service are every bit as important as the quality

of the product. Like the components within the

systems themselves, everything works together to

ensure the right outcome.

In summary then, safety at height isn’t just a

question of handing a lifeline to the workers on

the roof. It’s also about the line of support that

extends from the supplier. In other words, the

complete support package.

Contact SFS

0113 2085 500

www.sfsintec.co.uk

@SFSintec

58 TC OCTOBER 2019


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Product Planning

TAKE THE TIME TO PLAN AHEAD

Paul Jacobs, SIG Design & Technology’s Installation &

Training Manager, looks at what you should consider on a

job to avoid surprises.

Knowing a flat roofing project inside and out before starting on site sounds like common sense, but

it can be easy to take planning ahead for granted. If you take the time in pre-planning you’re

more likely to choose the right roofing products first time, hit your profit margin and keep your

customer happy. Here is some practical help for roofers wanting to get it right first time:

Getting your price right from the start

can be tricky! First, look at all the tender

documents and ask questions if the

drawings aren’t clear. Make sure your quote

doesn’t miss out sections of the roof. Sometimes

multiple roofs at multiple levels can be split over

multiple drawings. Try going back to the drawing

board (literally) and colouring up a roof plan as

you price – it’s effective, and it works. Talk to the

roofing manufacturers and suppliers, most of

them are more than happy to give advice on the

roof design.

Make sure you are 100% certain

where your elements stop and start.

Is the coping in my package? What

about the rooflights or lightning protection? If

unsure, either ask the question or put a query or

qualification in your tender. Have the discussion

before you start rather than after and don’t be

nervous about asking obvious questions.

As well as trying to get a clear view of

the materials required, you should also

look carefully at the labour content and

schedule of the job. Find out if you can start and

stop at sensible break points and how many

visits are needed. Do I need to get the VCL down

first to create a water shedding environment and

then drop back with the rest of the build-up, or

will I be fully completing areas as I go? Working in

stages can add to the costs of a project. Discuss

sequencing, area release schedules and

watertight milestones even on simple projects.

What about on-site logistics and

storage that might affect the delivery

vehicle size or type? Is a curtain sider

OK or does it need to be a flat bed? If goods can’t

be offloaded, you will eat into your programme

time and profit margin.

You should also consider whether you

have the right level of training to install

the systems, especially when you have to

join different materials together or deal with

complicated interfaces. Does your team have the

skills and knowledge to cope with all areas of the

installation? If the products aren’t installed

properly, even with perfect planning you might get

call backs. Product training teaches you to do the

job right first time. Without it, you might get

refused access to the product, miss out on tender

lists or be unable to give your customer a

warranty when you’ve finished the job.

Day to day hassles are part and parcel

of the day job, but reducing risk and

stress by pre-planning and making sure

installers have the proper training has got to be

time well spent. Know the project inside out and

make sure your team can produce what is

required. Don’t forget SIG Design & Technology

can offer you pre-tender or onsite support and we

offer many options for product-specific training.

Our Training Academy

SIG Design & Technology offer product-specific

training courses in both membrane and liquids

application in Shepshed and now Huddersfield, to

meet trade association guidelines including SPRA.

“If the products aren’t

installed properly,

even with perfect

planning you might get

call backs”

We work hard to help roofers not only learn the

skills to install the main waterproofing elements

correctly but also to understand the whole

system, including how different build-ups

connect with each other or “interface” with other

building elements.

Contact SIG Design & Technology

01509 501738

www.singleply.co.uk

@SIGDesignTech

60 TC OCTOBER 2019


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• Quick and easy to install

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5 Reasons Why..

EPDM IS AN ECO-FRIENDLY SYSTEM

The Roof Giant marketing team provide their 5 key reasons why they feel EPDM is the

most eco-friendly roof system...

When you think of a green roof your first thought might be a flourishing sedum system, cutting edge insulation, or even high tech solar panels. Although

we recommend any of these eco-friendly options for the environmentally conscious roofer, there’s one simple yet stunningly effective material that

shouldn't be overlooked: EPDM Rubber Roofing. As you’re probably aware, EPDM – or Ethylene Propylene Diene Monomer to give it its full name – is

a rubber roofing material with a range of surface-level benefits.

It’s inexpensive, easy to install, reliable, lightweight... But if it feels like you’ve heard all this before, it’s time to look a little deeper.

From EPDM membranes to pipe flashing and a whole host of other accessories, allow us to reintroduce you to the eco-friendly roof system that we feel

everyone should consider before their next roofing project rolls around.

1It’s Completely Recyclable

EPDM has a 100%

recyclable rubber

composition, therefore opting

to use EPDM in your next

project will help to reduce

landfill and work to diminish the

roofing industry’s overall

environmental impact.

It has also become commonplace for tyre

manufacturers to produce rubber roofing products

as the tyres can be recycled, turned into crumb

rubber and reconstituted to create EPDM

membranes and accessories. Buying EPDM,

therefore, could help to sustain and grow the

market for eco-friendly roofing materials.

Greenpeace and Green Building Digest have also

named EPDM roofing products such as the

Firestone EPDM Rubbercover Membrane a topranking

“low impact membrane” due to its

reduced environmental impact.

2It’s Built To Last EPDM has a long

lifespan compared to similar or alternative

roofing materials. The weatherproof

synthetic rubber won’t corrode, deteriorate or

degenerate, and can last for more than 50 years

in some cases, reducing the likelihood of

replacement over the course of your lifetime. In

addition, EPDM offers protection against ozone,

UV radiation and also repels moss, algae and

other organic matter, eliminating the need for

regular maintenance.

3Environmentally Safer

Rainwater Rainwater is

susceptible to becoming

contaminated by external

pollutants. But when rain

pools and runs off the non-toxic

EPDM surface and onto the

ground, the water will remain

natural, harmless and unchanged. This

makes EPDM a great option for the environment,

wildlife and even for the purposes of rainwater

collection, which will help you live a more

sustainable life while saving you

money on your water bills.

If you're looking for

even more

environmentally

friendly roofing

materials, we

suggest that you

also opt for lead

flashing alternatives –

they’re completely free from lead, non-toxic, ecofriendly

and also undesirable to thieves.

4Integrates With Existing Green Roof

Systems If you have a green, sedum or

living roof, EPDM will provide the perfect

growing platform for wildflowers and other

vegetation. Choosing a Green Roof Package

creates a verdant habitat for wildlife, reduces

your carbon footprint in urban areas whilst also

helping to insulate your home in the winter. EPDM

can also be used as a base for installing solar

panels to create an even more eco-friendly roof.

5Energy-Saving Insulation Due to the

density of synthetic rubber, EPDM could

also help to prevent the heat from a home

escaping through the roof.

Around a quarter of the heat in a home is lost

through the roof, so making sure it’s

insulated from the outside-in is important,

particularly when you happen to have a

flat roof. If you’re looking to save money

and reduce your domestic energy

consumption, an EPDM rubber membrane is a

proven choice for any eco-conscious roofer or

homeowner.

If you’re compelled to use EPDM in your next

project, head over to Roof Giant’s website and

browse our complete rubber roofing range

alongside an array of other green products

designed to eco-proof your roof.

Contact Roof Giant

01858 455055

www.roofgiant.com

@RoofgiantLtd

62 TC OCTOBER 2019


octor

the A Proctor Group Collection 2019

the mastermind

design by:

Callum Miller

MaryJane Phillips

Procheck

®

Adapt

variable permeability vapour control layer

01250 872 261

Proctor

Group

www.proctorgroup.com


The Right Perception

SHAKING OFF THE ‘COWBOY’ IMAGE

By Ben Milton, co-founder of Paddle, the app which connects tradespeople and

homeowners “in seconds”.

Over the past few years, the overall UK roofing market has steadily grown, with the demand for roofing supported by the growth of domestic renovation

maintenance improvement (RMI). And with the RMI market only set to grow in the coming years as many homeowners look to ‘improve, not move’,

things are looking positive for the industry. Unfortunately, however, the actions of a small minority mean that roofing contractors don’t always have the

best reputation amongst homeowners, which has the potential to stall growth. As a tradesperson myself, it’s an issue that I know affects the construction

industry as a whole – with a small number of ‘cowboy’ tradespeople unfairly influencing the public’s perception of those working in the sector. As a result,

whilst you undoubtedly work hard to keep your customers happy by carrying out projects to the best possible standard, you may at times find it harder than

you should to win the trust of potential new customers straight away. It’s therefore important to ensure that you stand out from the crowd. Below are my top

tips for safeguarding your reputation and positioning yourself as a reliable roofer.

1Make sure you have an online presence

With the majority of homeowners now tech

savvy, we know that they are increasingly

searching for tradespeople online. Not being able

to find any information about your business

anywhere online can put potential customers off

and you could be missing out on lots of potential

business, so having a strong online presence is

crucial to building both your business and your

reputation.

However, not every roofing contractor has the

necessary knowledge, resources or time to build

and regularly update a high-quality website. If

this is the case, signing up to a tradesperson

directory, website or app which connects you to

homeowners can be a more efficient way of

ensuring you can be reached online.

It’s also worth considering how social media

could help your business, as more and more

consumers turn to Facebook for

recommendations and reviews. It can be time

consuming to run a social media profile to its full

potential but if you are going to invest in setting

up a Facebook page, for example, it’s worth

putting in the time to get it right. Remember,

however, that Facebook pages that go

unpopulated for weeks and months can often be

worse from a perception perspective than not

having a page at all.

2Get recommendations Generating

recommendations from satisfied

customers is another fantastic way of

building your reputation as a contractor. As a

result of the negative perception of some

tradespeople, members of the public are

becoming very cautious about who they part

money with when it comes to having work done

on their property and a large proportion will only

select a roofing contractor if they’ve been

recommended to them.

Whenever you complete a job, make sure you ask

your customer if they’ll give you a

recommendation. If you do have your own

website, implement a review section and refer

your customers there. Alternatively, make sure

you choose a tradesperson directory website or

app which allows users to recommend you and

encourage them to do so.

3Be transparent and readily available to

communicate With homeowners leading

busier lives than ever before, many don’t

have time to sit around and wait 24 hours for a

tradesperson to reply. They expect you to be

readily available and if you’re not they’ll move on

to someone else to get the job done quicker. As a

result, it’s crucial to ensure that you’re easily

contactable at all times.

Consumers will also have different preferences

when it comes to the way they like to

communicate with tradespeople. As such, it’s

important to allow potential customers to contact

you in a way that suits them via a range of

communication channels – whether that’s a

phone call, instant messaging or a video call. It’s

important that whatever tools you use to

communicate with customers offer them this

range of options, to keep lines of communication

open at all times.

4Join a competent person’s scheme /

trade body Another great way of

enhancing your reputation is by joining a

competent person’s scheme or trade body.

Gaining accreditation from an independent body

will help to reassure homeowners that you’ve

been audited, increasing the likelihood of new

business coming your way. Some schemes may

even offer you free marketing opportunities just

for being part of the scheme, so it’s worth asking

when you join one.

Once you have joined a scheme or become a

member of a trade body, make sure you let your

customers and potential customers know about it

by displaying it on van stickers, putting the logos

on your website or marketing collateral, or

mentioning it to customers when you first engage

with them. This helps to make it clear that your

work is not only of a high standard, but also

complies with industry regulations, in many

cases.

Contact Paddle

www.justpaddle.com

64 TC OCTOBER 2019


The choice for decking and paving supports

With the demand for useable rooftop space ever

increasing, Areco is leading the way with its range of

fixed and adjustable supports for paving and decking

applications. We have worked with Hotels, Landscapers,

Roofing Contractors and Builders to provide attractive

and practical solutions.

To complement our range of supports, Areco have

several ranges of Composite and PVCu Decking Systems

available. New ranges of Fireproof Self-Extinguishing

pedestals will soon be available along with Aluminium

Decking Bearers to complete the range.

With a stock of over 20,000 units, we are sure to have

the right support for your project.

Please contact Areco with your enquiry.

• large stock range

• technical knowledge and advice

• nationwide express delivery

• competitive rates

tel: 01922 743553

www.areco.co.uk

t: 01922 743553 e: sales@areco.co.uk

ARECO, Unit 2A Coppice Park, Coppice Lane, Aldridge, Walsall, West Midlands WS9 9AA


Roofing Updates

For further info on all these updates and more, visit www.total-contractor.co.uk

CORRECT SOLUTION FOR SCHOOL

Generations of school children have attended St Joseph’s Catholic Primary School in Willesden, so when a fire

destroyed its roof, it was a blow to both the current students and its community.

When selecting the right roof tiles for the re-build, it was vital to find one that matched its Edwardian predecessors to

return the building to its former glory. Ideal for this role, BMI Redland Rosemary Clay Classic tiles were selected by

architect Wilby & Burnett. This important project required a wealth of experience, so Wilby & Burnett worked with the main

contractor Associated Installations and W O’Dwyer to complete the project for the Diocese of Westminster. The roof at St

Joseph’s is a complex one, with several turrets, numerous dormer windows and a decorative, lead-clad cupola at its

centre. In addition to the complexity, a challenge for the designers and roofers was the irregularity of the old roof which

had to be re-created. “It was noticed from record drawings that the building was not constructed entirely squarely and that the existing roof pitches varied in

different locations. The roof had to be set out to relate to the existing gables which had to be retained,” commented architect Bob Ecclestone of Wilby &

Burnett. A number of parts of the project required additional work to bring the roof in line with current standards. Insulation was added to help meet modern

energy efficiency Part L Standards and the new roof frame had to be steel rather than timber to meet modern structural design codes. www.bmigroup.com/uk

St Joseph’s Catholic Primary School used

BMI Redland’s Rosemary Clay Classic.

Hambleside Danelaw’s Zenon brand of Rooflights can

further help in the Energy and Health & Wellbeing

categories ENE01 and HEA1. Beyond BREEAM, rooflights

reduce the need for supplementary artificial lighting, and

heating. A building with 10% rooflights can require

supplementary electric lighting for 30% more hours in a

working year than a building with 15% rooflights.

ROOFLIGHTS: EVERY LITTLE HELPS

With the Government legislating for the UK to become net zero carbon by 2050, every gram

that can be saved will count.

Hambleside Danelaw’s Zenon brand of GRP rooflights are the only brand of GRP in-plane rooflight to have

attained Environmental Product Declaration (EPD) from the BRE, which means they can tangibly

contribute towards a building’s BREEAM (Building Research Establishment Energy Assessment Method)

rating. As a result, Zenon GRP in-plane rooflights contribute a minimum 1.5 points towards BREEAM

when used as part of a metal roof system in the Materials category. www.hambleside-danelaw.co.uk

STEP UP TO THE SAFETY CHALLENGE

Kee Walk Step-overs from Kee Safety are a range of modular, off the shelf step-overs that provide a safe

means of access where obstructions exist on a roof, such as pipework, plant equipment and conduits.

Suitable for use on a variety of roof types and surfaces including concrete, membrane, metallic and composite, Kee

Walk Step-overs accommodate changes in roof levels to offer a safe, anti-slip, level walking surface onto and across

roofs. Standard Kee Walk Step-overs are available in kit form to accommodate different height requirements and are

delivered pre-assembled for easy installation. Each kit includes a double handrail and toe-boards for added safety, a

choice of nylon or aluminium treads and base feet options to suit different roof types. www.keesafety.co.uk

MINIMISING MAINTENANCE IS KEY

Marley Alutec’s high quality aluminium Evolve and Evoke roofline systems were selected to

provide a low maintenance, durable solution for Milestone Farm in Wymondham, Norfolk.

Milestone Farm owner David Ford: “Being involved in the

design and specification of every aspect allowed us to

create something unique.”

A key factor in the design and construction of owner David Ford’s 6 bedroom, 435m² property was

longevity and minimising maintenance requirements. The marine-grade aluminium used by Marley

Alutec is highly corrosion resistant due to its naturally occurring protective oxide coating. This means

the system will not require regular maintenance throughout its expected 50-year lifespan.

www.marleyalutec.co.uk

66 TC OCTOBER 2019


New name,

serious roofing heritage

This 1919 advert in The Builder is a testimony to BMI Icopal’s flat

roofing heritage, and we’re proud that we can look back even further to

1849 when we manufactured our first tarred flax felt. Ever since we’ve

been delivering innovative roofing and waterproofing systems. Now as

BMI we continue this work by providing shelter, protection and peace of

mind for architects, roofers, building and homeowners alike - through

roofs that are designed to transform the way people live and work.

bmigroup.com/uk

Providing total roofing solutions


Roofing Updates

For further info on all these updates and more, visit www.total-contractor.co.uk

CLEAR INSTALLER BENEFITS

In response to demand for a quicker turn-around, Rainclear Systems are taking Aluminium Wall Coping in the

most popular colour, RAL 7016 Anthracite Grey, and the most frequently requested sizes, SL30 & SL36, into stock

for next day delivery.

The Skyline Aluminium Wall Coping is a: • Top of the range product with high precision welding and finishing to suit

all designs and budgets – retrofit or new build; • Manufactured from high quality BBA approved polyester coated

aluminium. Available in 26 standard RAL colours in just 10 days, and is available in Anthracite Grey in 2 sizes with

next day delivery, only from Rainclear systems; • Hidden strap fixing method offers weather-proof covering that

allows ventilation over the top of the wall. No fixings pass through the coping, there’s no penetration of the capping,

and clean lines are maintained on the surface. Available in 2 sizes – SL30 & SL36 – SL30 is the 362mm

Aluminium Coping, suitable for 241-300mm wide walls. SL36 is the 422mm Aluminium Coping, suitable for 301-

360mm wide walls. Both are now stocked in RAL 7016 Anthracite Grey for next day delivery. www.rainclear.co.uk

Above: Rainclear Systems’ Anthracite Grey

Aluminium Wall Coping.

VIEW FROM UP ON THE MOORLAND

Mountain View, a David Wilson Homes development located just one mile outside of Abergavenny

town centre, highlights how flexible and accommodating Cembrit fibre cement slates are.

Mountain View: The roofing design, which featured

pitches ranging from 35° to 57°, also consisted of dormer

windows, vents, verges, hips, abutments, and valleys.

With David Wilson Homes having previously used Cembrit Moorland slates, the housebuilder decided

to specify this product range once again, and turned to main contractor Avonside Roofing to install

the slates on what was a challenging roof: “Using a combination of single and double fibre cement

slates, we were able to provide a high-quality finish that complements the complex roof design,”

explained Chris Hawkes, Commercial Manager at Avonside Roofing. www.cembrit.com

ACME’S A SHINING BEACON!

A new residential property in Beaconsfield is showcasing the visual appeal, proven

performance and cost effective benefits of Marley’s Acme Double Camber clay plain tile.

EAB Homes, Beaconsfield. Marley’s Acme Double Camber

tiles are accredited to the BES 6001 framework standard for

'Responsible Sourcing', which means projects using its clay

tiles can now achieve extra credits under BREEAM.

EAB Homes’ latest project, Beechmont, specified Marley’s Acme Double Camber clay tiles in Burnt

Flame to provide an aesthetically stunning addition to the new 6 bedroom build, having previously

used the product on other construction projects. The tile’s unique double camber provides instant

visual appeal that complements other face materials to help create a striking and memorable home.

www.marley.co.uk

MORE PLUS POINTS FOR NEW AH+

SIG Design & Technology has launched the next generation of the popular liquid waterproofing

system AH+ with improved levels of robustness and usability.

Available in two versions, AH25+ and AH15+ use different

weight reinforcement fleece and coverage rates and are

available with 25 and 15-year warranties respectively

The new and improved AH+ is a wet-on-wet, cold applied liquid water-proofing product that’s fully

reinforced with a polyester fabric. An innovative one-component liquid system, it offers many

benefits including ease of application, fast curing times and with low VOC content it is fume free and

virtually odourless. It can also be applied in practically any conditions and at low temperatures.

www.singleply.co.uk

68 TC OCTOBER 2019


The UK’s only woodgrain aluminium Class A

Fire Rated cladding with a 25 year warranty.

Now available exclusively from

www.knotwood.co.uk

DECKING | CLADDING | BALUSTRADES | FACADES | SOFFITS | CEILINGS | SCREENS | FENCING | GATES | AWNINGS & PERGOLAS


Fixings: Viewpoint

LET’S TALK ABOUT THE CRUCIAL

ROLE OF FACADE FIXING SYSTEMS

You can’t see them, but more sophisticated fixing systems are becoming a much more

important element of facades and cladding on construction sites. Better informed

specification, improved product knowledge and more open dialogue between contractor,

architect and supplier could save projects thousands of pounds, says James Butler,

Commercial Director of Pura, the natural facades specialist.

Fixings and fasteners are often known as

‘Cinderella products’ within the building

industry – given the fact that these clever

systems do all the hard work, but rarely get the

limelight of their more aesthetic counterparts –

facades and claddings – enjoy.

Increasingly, we’re seeing contractors and

specifiers alike turning to mechanical secret fix

options as opposed to traditional face fixings to

achieve clean lines on new building projects.

However, while we have seen demand for ‘secret

fix’ systems growing significantly in recent years,

these more complex systems require more

accurate drilling and positioning of bracketry that

sometimes leads to mistakes and unplanned

time – and cost – on site. We’re seeing more

contractors demanding complete façade

solutions, whereby accurate CNC cutting, drilling

and pre-assembly of fixing systems is completed

off-site prior to delivery.

“We’re seeing more contractors demanding

complete façade solutions, whereby accurate

CNC cutting, drilling and pre-assembly of fixing

systems is completed off-site”

James Butler, Commercial Director, Pura Facades.

With the much tougher approach to fire

retardation within complete façade systems,

we’re also seeing the use of steel bracketry

becoming more popular, replacing aluminium.

Without doubt tested, better quality materials

have become widespread since Grenfell, but this

comes at a cost.

Innovation costs

We all live and breathe the concept of cost control

when it comes to any construction project. And

the new generation of more sophisticated fixings

and bracketry are no exception.

Although hidden once the project is finished,

modern fixing systems can account for a

remarkably high proportion of the total cladding

costs. Clearly, the relative cost of the fixing

“Better quality

materials have become

widespread since

Grenfell, but this comes

at a cost”

70 TC OCTOBER 2019


octor

the A Proctor Group Collection 2019

the authority

design by:

Sarah McClintock

Roofshield ®

air permeable vapour permeable roofing underlay

01250 872 261

Proctor

Group

www.proctorgroup.com


Fixings: Viewpoint

system design and supply compared to cladding

is rising. While traditional face fixing systems

come in at around £25-£30 per square metre,

this figure rises to approximately £65-£75 for a

mechanical secret fixing system. These days, top

quality secret fix systems account for roughly

50% of the total façade system cost.

This is no temporary trend – more sophisticated,

safe buildings with higher price tags per

apartment require smooth lines and a clean

façade appearance, without visible fixings.

Hence, we’re increasingly seeing the cost of

secret fix systems and their contribution coming

under scrutiny.

It’s good to talk

In our experience, with better planning and

consultation across the supply chain (with

specifiers, contractors and architects) significant

savings can be achieved without compromising

the final aesthetic of a building.

Often, we find that it’s about understanding what

the architect wants to achieve – and being able

to suggest carefully considered, credible

alternatives using different fixings systems or

“Top quality secret fix

systems account for

roughly 50% of the total

façade system cost”

even new facade materials to achieve the same

look.

On a recent housing project, we were able to

reduce the total facade cost by more that 10% by

working consultatively with the architect to devise

an alternative solution. This achieved the same

high quality GRC finish but at a much lower cost.

Our design team calculated that by using a

thinner, lighter make of GRC than originally

specified, we could employ a different fixing

substrate which in turn enabled us to erect larger

single pieces, reducing the need for cutting and

thus minimising waste. This process actually

delivered a better looking solution for the project

at a lower price – that’s the real advantage of

undertaking an analysis of the proposed fixing

system before work commences on-site.

It’s often easy to just get on with the job – but

we are finding that this more consultative

approach adds value to relationships with

contractors and specifiers – and keeps the

project within budget.

Fixing trends

Looking ahead, we’re seeing more European

(most notably Turkish) manufacturers knocking

on the UK market’s doors, which we see as a

positive sign. This gives contractors more choice

of product, without compromising on performance

or safety.

Another interesting trend within the fixings arena

is the more joined up approach to design and

installation. The wrapping of fixing system design

and engineering with the supply is on the

increase as a package. This shows an industry

that is taking responsibility and placing

responsibility for fixing systems with one provider

– not a disparate group of businesses.

Fixings and bracketry is a remarkably dynamic

part of the facade market right now that is going

through fundamental changes. Overlooking this

largely hidden, but crucial element of building

design could cost you dearly.

“It’s often easy to just get on with the job – but we

are finding that this more consultative approach

adds value to relationships with contractors and

specifiers – and keeps the project within budget”

Contact Pura Facades

0203 269 2052

www.purafacades.co.uk

72 TC OCTOBER 2019


Our mission:

“ To provide

standards and

guidance to our

members, which

raises confidence

among businesses

and householders,

and promotes

roofing as a skilled,

professional

sector within the

wider construction

industry.”

Find out more

www.nfrc.co.uk

@TheNFRC


Health & Wellbeing

CONTINUING TO MAKE HEALTH &

SAFETY A CORE ON SITE VALUE

For large scale projects where multiple trades are required on site at any given time, it is

vital that health and safety be at the forefront of decision-making processes – not only to

maximise on-site efficiency, but also to ensure work is completed safely. Here, Brian Butler,

Senior Health and Safety Officer at Prater, looks at some key tactics to help contractors.

According to recent statistics published by

the Health and Safety Executive, the

construction industry had the second

highest rate of workplace deaths between April

2018 and March 2019 – 30 people were killed on

construction sites during this period.

It is therefore vital that the construction industry

strives to improve its health and safety practices

and ensures that all decisions made put the

health and safety of workers first.

Making use of BIM

Over recent years the industry has welcomed BIM

and the benefits that it can offer – and it is now

commonly integrated into design and build

processes. However, one of the often over-looked

benefits of BIM is health and safety, as BIM

enables the opportunity to detect and design out

health and safety risks from the outset. Using

BIM as the “single source of truth” on a project

also helps to disseminate accurate information,

which can help to promote safety. Bringing BIM

into design at this early stage of any project will

“Moving as much of the building process

as possible away from the site minimises

the chance of accidents, as conditions

remain constant”

allow the full use of the “influence curve” to be

recognised and implemented, this is where the

largest improvements affecting safety can be

made.

Taking things offsite

Construction sites can be busy places – with

multiple trades often working around each other

in order to complete their specific tasks. To ease

the challenges caused by space restrictions, such

as on-site congestion, it is important to minimise

the number of operatives and tasks taking place

on site.

In order to achieve this, contractors should make

use of controlled factory environments wherever

possible. Moving as much of the building process

as possible away from the site minimises the

chance of accidents, as conditions remain

constant.

A ‘just in time’ approach

For busy construction sites, where space is also

limited, reducing the amount of material stored

on site is vital to increase the working space

available. Using an offsite holding area for

materials can be beneficial as deliveries can be

better controlled and a ‘just-in-time’ approach to

deliveries can be taken.

“Using an offsite

holding area for

materials can be

beneficial”

74 TC OCTOBER 2019


“For busy construction sites, where space is

also limited, reducing the amount of material

stored on site is vital to increase the working

space” available

In order for this method to work, all trades

involved need to ensure punctuality, adherence to

procedures and good communication at all levels

to ensure the materials arrive when required.

Once on site, a logistics plan needs to be

carefully followed to make sure materials are

safely moved to where they need to be – this

includes establishing the delivery route and

making sure there are no clashes.

Make health and safety core

to everything you do

A proactive, cultural, behavioural and innovative

approach to health and safety is crucial to

success – and its importance should be

championed throughout the business. Prater’s

Cultural Behavioural Safety Roadshows, for

example, seek to change perceptions towards

health and safety, to ensure our own employees

and sub-contractors are continuously thinking

about keeping not only themselves safe but the

whole team and the public.

Implementing stringent processes will also

minimise the opportunity for incidents. Across all

projects, offices and off-site manufacturing

“This is an effective

way to start the

conversation in the

workplace and educate

employees on not only

their own mental

health, but also on the

needs of their

colleagues”

facilities, Prater was amongst the first companies

to lead mandating the use of five pieces of

Personal Protection Equipment (PPE): Safety

Boots, High-Vis Jackets, Task Specific Gloves,

Safety Glasses and Hard Hats. In addition, we

ensure that all staff are appropriately trained in

the use of equipment, vehicles and machinery

where required – while checks are also

frequently carried out to ensure they are

maintained in a safe condition.

Standards are continually reviewed with

premises regularly inspected by senior

management, Directors and external consultants.

As such, Prater’s Health & Safety Policy is

reviewed annually to ensure conformity to current

legislation. Prater is also actively progressing into

ISO 45001 at this time.

Safety of body and mind

At Prater we have also begun to implement

mental health training. This is an effective way to

start the conversation in the workplace and

educate employees on, not only their own mental

health, but also on the needs of their colleagues.

These sessions help our employees, at all levels,

to recognise any signifiers of potential issues.

Taking the time to speak to a workforce will

encourage open conversations and ensure

everyone is aware of the policies that are in place

to support them. It is essential that employees

are “present in the moment”, no matter where

their position is within the company.

Contact Prater

01737 772 331

www.prater.co.uk

@praterltd

OCTOBER 2019 TC 75


Guarantees

GUARANTEES – WHAT DO THEY SAY

ABOUT PRODUCTS AND SYSTEMS?

With an array of different metal roof and wall cladding products available and many

manufacturers offering their own guarantee and promises of performance, it can be

challenging to identify the best metal cladding product for your project. Here, Jonathan

Arnold, Technical Manager Building Systems at Tata Steel, digs deeper into the detail behind

building envelope guarantees and explores what you should look out for, so you can ensure

the client’s expectations are met.

Guarantees are a familiar feature of

modern-day life, being one of the most

powerful commitments that a business

can make to its customers and also a strong

demonstration of their products’ performance.

But do you actually understand the detail behind

the formal assurance?

Building product guarantees can often be

presented without a thorough explanation of the

accompanying terms and conditions. Being able

to look below the surface of a guarantee,

decipher the detail and understand what it tells

you about a product and its manufacturer is

crucial. After all, not all building products have

the same performance

levels, just as not all

manufacturers provide

the same levels of

support; something that

can be particularly

apparent when you look

at the length of and how

comprehensive the

accompanying guarantees are.

Steel cladding systems are fast becoming a

popular building material. No longer limited to

just commercial or industrial applications, steel is

increasingly being installed on modern residential

developments too, favoured

for its sleek, clean and

contemporary design

lines and the

maintenance benefits it

can deliver throughout a

building’s lifespan. It is

therefore well-worthwhile

suggesting pre-finished (also

known as pre-coated) steel

cladding systems to future clients who are

looking for a stand-out and easy-to-maintain

building.

However, it is first crucial that you have an

understanding of the choice of building product

and system guarantees and are able to use this

knowledge to carefully identify those with a

genuine promise of durability and long-lasting

performance, backed up with supporting

evidence.

“It is first crucial that

you have an

understanding of the

choice of building

product and system

guarantees and are

able to use this

knowledge”

76 TC OCTOBER 2019


Length offered

A good initial indicator of a product or system’s

expected performance is often the length of

guarantee offered. In many ways, a guarantee is

a demonstration of a manufacturer’s confidence

in its products and, therefore, a long length

guarantee can not only provide you with longer

protection against potential problems, but also

offer additional assurance in terms of the

product’s quality. For example, a guarantee that

is valid for up to 30 years – such as Tata Steel’s

Platinum Plus which is offered on its building

envelope solutions – would demonstrate that the

manufacturer has faith in the system’s durability

and structural and thermal performance; being

capable of withstanding exposure to the natural

elements, while also retaining its colour and

aesthetic value.

But don’t just look at the number…

However, it is also important to not be taken in

simply by the headline figure of the guarantee

length. Instead, consider taking a step-back and

try to look beyond the number, ensuring that you

also understand any maintenance and inspection

requirements and the level of technical support

offered by the system manufacturer; not just

during the lifespan of the constructed building,

but also throughout the initial specification and

installation stages too. For example, as part of

Tata Steel’s Platinum Plus guarantee, it offers

tailored specification advice, technical

assistance and even on-site installation checks,

together with maintenance and inspection-free

external finishes. This can allow you to be even

more confident of the cladding system’s longterm

performance, knowing that it is designed to

suit the building’s individual function, is

constructed both correctly and according to the

original specification, and is covered by a

comprehensive and valid guarantee.

Indeed, taking a systems approach – focusing on

how components in the building envelope work

together as a whole, rather than how they

perform in isolation – can be highly beneficial

when considering a building guarantee, helping to

“A common restriction to be imposed on metal

roof and wall cladding guarantees is the building

location, with exposure to sunlight, extreme

weather and coastal environments all critical

external factors that can affect pre-finished steel

over time”

further reduce risk and provide assurance that

the building system will perform correctly.

Therefore it is well worth looking for a guarantee

that considers the whole building system, taking

into account all steel components, fasteners,

fixings and accessories, ensuring that they will

work together and perform as intended, rather

than just the isolated building material, providing

both you and your client with additional

assurances.

Dig into the detail…

It is also important that you dig deeper into the

detail of a guarantee, for some can include

various exclusions and limitations; all of which

could potentially have a negative effect on the

extent of cover provided and even be indicative of

product weaknesses. A common restriction to be

imposed on metal roof and wall cladding

guarantees is the building location, with exposure

to sunlight, extreme weather and coastal

environments all critical external factors that can

affect pre-finished steel over time. You should

therefore ensure that you install a system where

the same comprehensive guarantee is offered

irrespective of the building’s location, providing

both you and your client with the assurance that

it is capable of withstanding damage from

extreme weather and UV radiation.

It is undeniable that building product guarantees

are an important part of the construction industry,

providing assurances of a product’s quality. When

choosing a pre-finished steel building envelope

product for your next project, it is vital that the

performance of the system as a whole, the

guarantee and any additional support provided by

the manufacturer is fully taken into consideration

first. This is the only way to be truly sure you will

meet the expectations of your client and assist

you in constructing a high-quality building that is

built to last.

Contact Tata Steel

01244 892199

www.tatasteelconstruction.com

@TataSteelConstr

OCTOBER 2019 TC 77


Cladding Updates

For further info on all these updates and more, visit www.total-contractor.co.uk

BIG HIGHS AT LOWER MILL

The Lower Mill Estate, a development of holiday homes in the Cotswolds, offers holiday homemakers the

best in bespoke, energy efficient properties thanks to the Kingspan TEK Building System.

The diverse selection of residential properties have benefited from the Kingspan TEK Building System’s scope

for individual design and off-site construction, which has improved construction efficiency. Lower Mill Estate,

constructed by Conservation Builders, is a community of beautiful holiday homes which has continued to

produce exemplary models of sustainable construction with each new phase of development. The Habitat First Group’s vision was to create a residential

nature reserve that would provide security and the freedom to escape the demands of urban life. The resulting development, immersed in the idyllic woodlands

of the Cotswolds, offers residents tranquillity and relaxation through fully customisable, energy efficient properties. The Kingspan TEK Building System has

enabled clients to enjoy a truly bespoke experience, where they can be involved in the very early stages of designing their property. The latest phase of the

ongoing development makes use of Kingspan TEK panels for the walls and roofs of the new units. The Kingspan TEK Building System, which comprises a highperformance

insulation core sandwiched between two layers of OSB/3, was selected as it allowed a high level of design flexibility and exceptional out-of-thebox

fabric performance, as well as creating minimal site waste as kits are designed and cut off-site. www.kingspantek.co.uk

SPORTS HALL VICTORY FOR TEK PANELS

Students at the renowned King’s College School in Cambridge are enjoying getting active in their new

Sports & Cultural Centre, constructed with the use of the offsite Kingspan TEK Cladding Panels.

King’s College School, Cambridge: Kingspan

TEK Cladding Panels were used on the new

sports hall and are high performance structural

insulated panels (SIPs) which comprise a rigid

insulation core between two layers of OSB/3.

To minimise heat loss, Hollins Architects and Surveyors specified 172mm Kingspan TEK Cladding Panels to be

installed within the structural frame by Mcveigh Offsite. Rob Marsh-Feiley, from Hollins Architects and Surveyors,

explained: “The basic principles of this design with respect to sustainability were based on achieving the highest level

of insulation and ensuring the overall building fabric is as efficient as possible, rather than relying on renewable

energy generation. The Kingspan TEK Cladding Panels fitted well within these principles.” www.kingspantek.co.uk

HELPING CUSTOMERS GROW

Despite all the uncertainty in the market, the team at Freefoam felt that the time was right to

commission and deliver a broad PR and digital campaign called ‘Helping Customers Grow’.

“Indeed it’s been incredibly inspiring to hear

throughout this programme our customers’

stories of success and to know that we have

played an integral part in that development.”

See the video at:

https://youtu.be/gvD8xxJ28uU

The aims of the programme are to shine a light on the roofline market and its supply chain, to showcase all areas

of the business and to illustrate how, as manufacturers, Freefoam consistently deliver products and services to

help its customers grow. Colin St John, Commercial Director, said: “We know that, although the outlook is

uncertain, we are a strong and secure company able to withstand the rigours of the market. With a robust

infrastructure and nearly 30 years of delivering to our customers we have a strong and consistent story to tell.”

A FACADE FIT FOR A KING

A combination of Proteus Facades’ solid and perforated brass, zinc and aluminium cladding panels have

helped to create a striking finish on the redevelopment of 24 King William Street, a new mixed-use office

scheme in London.

The fins at 24 King William Street are designed

around a rigid bespoke aluminium extrusion

that connects to the curtain wall glazing

system. The outer TECU Brass element of the

fins are profiled in shape and taper across the

length to generate an angled effect.

The £23 million renovation of the 80,730 ft² building was designed by Ben Adams Architects and includes the

addition of two new storeys. To reflect the style within, striking perforated Proteus SC TECU Brass panels and

bespoke vertical fins and trim flashings, with an Artisan hand applied patinated finish were specified for the

ground level, street facing elevations. www.proteusfacades.com

78 TC OCTOBER 2019


How To:

CHOOSE THE RIGHT INSULATION FOR

YOUR FACADE CLADDING PROJECT

By Christopher Roughneen, Technical Training & Development Manager at Saint-Gobain

Insulation UK.

Ventilated rainscreen cladding systems are

a common sight on our cities’ high-rise and

low-rise buildings, whether it be to help

give an old building a new lease of life or to

create a smart and sleek exterior for a new

development. However, in order to maximise the

building envelope’s energy efficiency and

potentially even exceed the requirements stated

within the Building Regulations, it is important

that contractors use an insulation suitable for

such an application.

Correctly chosen and installed stone wool

insulation, for example, can be a great choice. It is

non-combustible, sustainable and provides

effective thermal performance. What’s more, as a

result of its natural sound absorbing properties,

high-quality stone wool insulation can also help to

minimise external noise.

Acoustics

With unwanted noise having the potential to disrupt

and disturb our daily lives, it is important to also

consider the acoustics of a building, both internally

and externally, and make conscious efforts to

improve comfort levels. Sound reduction is a

particularly important area to consider when

insulating rainscreen and masonry cladding

systems, with the buildings on which they are

commonly installed – such as residential highrises,

hotels or student accommodation – typically

found in high-density, urban settings, where

external noise from traffic or airport flightpaths is

also likely to be an issue.

With a great number of products available on the

market, it is crucial that you are able to select an

insulation that is suitable for installation in an

external cladding application and can deliver

excellent levels of thermal performance, as well as

contributing towards a

building’s acoustic qualities.

One such solution that has

recently been launched into

the market is ISOVER’s

Polterm Max Plus. Available

in a range of thicknesses, the

resilient slabs are proven to deliver excellent

thermal insulation within ventilated rainscreen

cladding and overcladding systems, with a thermal

conductivity value of 0.035 W/mK, as well as a

Euroclass A1 fire rating and BBA Certification.

Efficiency

Contractors and installers can also further improve

a building envelope’s efficiency by installing a

secondary layer of insulation within the stud infill,

which can act as an additional thermal layer. For

example, ISOVER’s Steel Frame Infill Batt has been

specially designed for such an application, with a

Euroclass A1 fire rating, excellent thermal

properties, acoustic benefits, and manufactured in

a 600mm width to fit between standard steel

framework centres, making installation quicker and

easier.

Installation

With this in mind, practically speaking, it is of

course also important for the chosen insulation to

offer an efficient installation process, saving

valuable time and labour costs on site. There are a

variety of insulation products that have been

developed by the manufacturer with ease of

installation in mind – something that is especially

relevant considering the application, with façade

cladding projects often involving working at a

considerable height. Consider, therefore, looking for

a product where the slabs can easily be tightly

butted together and the material has been

engineered to accommodate

any surface irregularities in

the substrate, both reducing

the chance of air gaps and

ensuring that neither the thermal or

acoustic performance is

compromised.

Aesthetics

Another area to consider is aesthetics, with

rainscreen cladding systems often being favoured

for the design flexibility that they offer in terms of

colour and style. With the potential for the insulation

material to be visible from behind the façade

system, negatively affecting the overall aesthetic,

one option is for contractors to install an additional

black membrane over the insulation. However, this

can, understandably, add considerable time and

labour to already tight project timescales.

An alternative solution is to look for a manufacturer

who has taken this issue of aesthetics into account,

such as ISOVER, which produces its Polterm Max

Plus with a black glass veil on the external side of

the slab, minimising the chances of the insulation

material being visible once the building façade is

complete.

With façade cladding a common sight on our urban

high-rise buildings, it is imperative to choose

insulation that is both suitable for such applications

and possesses thermal and acoustic properties, as

well as providing ease of installation on site –

creating a truly comfortable environment for the

building’s occupants.

Contact Isover

0800 032 2555

www.isover.co.uk

@IsoverUK

80 TC OCTOBER 2019


From vents and outlets to edge trims and cappings...

Areco are the UK’s leading distributor of flat roofing accessories

With over 50 years experience of manufacturing and

distributing renowned brands such as Glasstrim,

Nutrim, V-Trim and Rofycom, Areco has over 40,000

metres of roof edge trim in stock for next day delivery.

A full range of Roof Drains, Termination Bars, Breather

Vents and Paving Supports mean we have the right

product for your project.

Areco also offer a bespoke metal fabrication service

for flashings and wall cappings.

www.areco.co.uk

• technical knowledge and advice

• nationwide express delivery

• competitive rates

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t: 01922 743553 e: sales@areco.co.uk

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Key Considerations

“GOOD INSULATION IS ESSENTIAL”

By Simon Storer, Chief Executive of the IMA

The UK government’s plans for a Future

Homes Standard by 2025 which ensures

new-build homes are built without fossil

fuel heating and to a world-leading energy

efficiency standard, will go some way in helping

the UK meet its net zero targets. Good insulation

is essential if homes and buildings in the UK are

to become more energy efficient, sustainable and

off-set some of the increasing energy costs and

climate change ambitions the country faces.

Below, I’ll look at the thermal efficiency and

positive benefits of polyisocyunurate (PIR) and PU

insulation, accurate specification through

digitalisation and how this essential product can

help the UK’s housing stock adapt to the impacts

of a changing climate.

If we are to create high quality, low carbon and

climate resilient homes, then we must insulate

more. A thermally insulated building envelope

installed correctly will achieve high performance,

low maintenance, reduced energy bills and

provide long-term energy efficiency. The

prioritisation of insulation within the building

envelope will significantly restrict air leakage,

which in turn prevents heat loss. This ‘fit-andforget’

solution can ensure a home will perform

as intended for decades, with little or no

maintenance.

Lower U-values

A consistent and good level of fabric insulation will

limit heat loss through the building envelope. The

better or lower the U-values in walls, floors and

roofs, the less heat that is lost resulting in

enhanced thermal performance, which in turn will

help to deliver the standards required. One of the

best ways to achieve this is through PIR and PUR

insulation products. Highly effective and incredibly

versatile, these insulation solutions are available in

a range of forms including boards and blocks, cavity

injected, composite panels as well as a spray and

panel insulation.

For designers, the growing popularity

of PIR insulation has meant they

can achieve the highest insulation

values from the minimum

thickness of material. With lambda

values as low as 0.021 W/mK, PIR

insulation performance can be

achieved with less thickness than other

commonly used insulation materials. Its exceptional

insulating properties, high strength and light weight

means it is used widely across residential,

commercial and refurbishment projects.

The devil is in the detail

Taking time for the details will also make a

difference and go some way to ensure homes

perform to the standard intended. For example,

ensuring junctions are appropriately designed and

constructed, as this makes a significant

contribution to reducing heat loss. All contractors

need to make sure that, not only the levels of site

supervision are of a good standard, but the

manufacturer’s installation instructions are followed

and installation instructions around potential cold

thermal bridges and awkward details are achieved.

Once the high-quality building fabric has been

completed, there should be no need to worry about

it.

Digitalisation of products

The issue of product substitution also needs to be

addressed. For example, if a PIR insulation product

were to be substituted by a product of the same

thickness with poorer insulation properties, it would

have a significant impact over the lifetime of the

building. This could result in the building not

meeting its thermal performance as determined by

building regulations, increase the lifetime energy

costs for the building occupants and reduce the

carbon savings, as well as potentially impact on the

health and wellbeing of the occupants.

Therefore, digitalisation of construction products will

Simon Storer, Chief Executive of the IMA.

provide some traceability of

products across the supply chain

and is seen by many as the best

way to reduce the performance

gap and increase performance

certainty across the built environment.

Through the Building Information Modelling

(BIM) Level 2 programme, building product

manufacturers can provide a wealth of product

information online, in an immediate and

standardised accessible digital structure.

Future-proofing

In order to make our housing stock better for the

long term, we must achieve more thermallyefficient

building envelopes, which in turn will result

in more comfortable buildings. Getting the fabric of

the building properly insulated should always be the

starting point and this includes insulation such as

high-performance PIR. It will remain the most direct

route to achieving the net zero target as well as

compliance with the energy performance

requirements of the revised Building Regulations

Part L. Only then will we begin to have housing

stock that is resilient to a changing climate.

Contact IMA

0161 672 7387

https://insulationmanufacturers.org.uk

@IMA_Org

82 TC OCTOBER 2019


• Experts in Insulation –

Quantum Insulation brings

together over 100 years of flat

roof insulation expertise to aid

roofing contractors to select the

right product for each individual

application; supporting this

process with thermal and tapered

design services, contractor

friendly purchasing and delivery

options, and comprehensive

compliance documentation.

• Calculation Services –

thermal calculations to BS

5250:2011+A1:2016 Code

of practice for control of

condensation in buildings and in

accordance with ETAG 031.

• Design Services – comprehensive

design service for tapered and VIP

insulation schemes, including site

assembly drawings.

• Customer Focused – helping

you deliver a professional roofing

service to your customer.

• Bespoke Delivery Packages –

designed and priced to your site

requirements.

• FORS Deliveries – Bronze,

Silver and Gold delivery options

available.

T: 01858 456018 E: sales@quantuminsulation.com


Insulation Updates

For further info on all these updates and more, visit www.total-contractor.co.uk

ESTATE GAINS FOR KINGSPAN

A new build estate of bespoke modular houses is benefitting from the outstanding thermal performance of Kingspan Kooltherm

K110 Plus Soffit Board.

The Beechwood West estate forms the first step in Swan Housing Association’s 10 year development plan for Basildon. The new

neighbourhood of 251 family houses is designed to bring affordable, custom-built homes to the popular commuter centre. Pollard

Thomas Edwards has created a variety of designs which buyers can choose from. Once selected, the homes are constructed at scheme partner, NU living’s,

factory using modular approaches. Swan Housing Association is aiming to reduce the operational CO emissions of each of its properties to 2.6 tonnes per

²

year by 2021. This will be achieved by taking a fabric-first approach to the construction of new homes and implementing retrofit measures on existing

properties. With this commitment in mind, the Kingspan Kooltherm K110 Plus Soffit Board was specified for use in the houses with recessed entrances, in

order to effectively insulate the spaces above. The product is part of Kingspan’s K100 range of rigid insulation boards which achieve a thermal conductivity of

0.018 W/m·K across all board thicknesses. This outstanding thermal performance allowed the target U-value to be met with a slim thickness of insulation,

ensuring the aesthetic integrity of Pollard Thomas Edwards’ contemporary designs could be maintained. Installers were able to simply cut the lightweight

boards to size with a fine-toothed saw and install them within the modular buildings ready to be transported to site. www.kingspaninsulation.co.uk

LONG GAME PAYS OFF FOR ISOVER

Isover has extended the length of its Spacesaver and Spacesaver Ready-Cut glass mineral wool

insulation rolls.

With approximately 33% more insulation per roll, contractors can complete their projects faster. Sarah

Buchanan of Isover said: “In conjunction with Spacesaver’s excellent roll recovery, strength and flexibility, we

developed the longer roll lengths to make loft insulation work easier. The pallet size and number of rolls per

pallet remains the same, but with changes in packaging there is now up to a third more product per pack, which

means that contractors can transport more product to site and complete their jobs faster.” www.isover.co.uk

TRANSFORMING HIGH-RISE TOWERS

Sandwell Metropolitan Borough Council (SMBC) has been taking a bold approach to tackling poorly insulated homes for its tenants.

On its latest refurbishment project at Lion Farm Estate in Oldbury, the council has worked with Lovell, ROCKWOOL and Rockpanel to create energy

efficient, comfortable homes for occupants. In a phased programme, each block is being super-insulated using ROCKWOOL’s RAINSCREEN DUO SLAB

and then clad with Rockpanel A2 façade boards to substantially improve thermal, sound and fire safety performance and provide an attractive, new

look. Made from stone wool, RAINSCREEN DUO SLAB is A1 fire rated, non-combustible insulation, for optimum fire safety performance. It also has the

benefit of high resistance to wind and rain during construction, which together with the minimal number of fixings required, makes installation quicker

and easier for contractors. https://www.rockwool.co.uk

FMB: MAKING HOMES MORE ENERGY EFFICIENT IS KEY

Making the UK’s homes more energy efficient will reduce energy bills, tackle the scourge of fuel poverty and help address the climate crisis

according to the Federation of Master Builders (FMB), in response to the speech by the Leader of the Liberal Democrats at its party

conference.

Sarah McMonagle from the FMB said: “The UK’s housing stock represents a significant contribution to our net carbon emissions and therefore the

Government must invest in making our homes more energy efficient, as pledged by Jo Swinson in her Leader’s speech today. The buildings in this

country are some of the oldest and leakiest in the world and therefore a programme of energy efficient upgrades would be a major step forward in

cutting carbon emissions overall. www.fmb.org.uk

84 TC OCTOBER 2019


MANUFACTURERS OF SPECIALIST TEST EQUIPMENT

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By QI (Quantum Insulation Ltd)

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In late 2018 the Ministry of Housing, Committees & Local







requirements within the Building Regulations 2010 in England.

The Scottish Government soon followed suit. The result of the

investigations into the Grenfell Tragedy and the subsequent







what materials could be used in the construction of buildings

over 18m tall in England and 11m in Scotland, but which changes

did they make?

They banned combustible materials in e

xternal walls, roofs,

terraces, balconies and podiums.

Yes,

and No. They DID ban the use of combustible materials or



















































B

ROOF (t4)












Inverted roof construction however can sit outside of the
























2









• Cast stone or mineral slabs of at least 40 mm thickness




















Ne xt month’s QI by QI:

‘‘All

XPS inverted roof

insulation achieves the same U value at a

given thickness’’

s’’

OCTOBER 2019 TC 85


Tool

SPONSORED

Safety

BY

BAD VIBES: THE ‘PERMANENT’ BUT

‘PREVENTABLE’ CONDITION OF HAVS

FEIN’s team explains how to prevent the risk of Hand Arm Vibration Syndrome (HAVS)...

Whether you’re using an oscillating multitool

or a cordless combi drill during your

daily work, it’s important to ensure that

each power tool is efficient enough to carry out

the job. However, it’s also crucial to consider the

health and safety impact of the tools you’re using,

particularly on days when you’ll be using them

consistently.

One such health and safety issue that you need to

be aware of is repetitive trauma from vibration

which can lead to permanent and disabling

conditions such as Hand Arm Vibration Syndrome

(HAVS).

What is Hand Arm Vibration Syndrome?

Affecting the nerves and blood vessels of the

hand, HAVS causes numbness, triggers painful

finger blanching attacks and can prevent you

from gripping and holding. HAVS makes everyday

tasks difficult and, in some cases, prevents you

from being able to carry out installations at all,

resulting in a loss of income. What’s more, once

the damage is done, HAVS is a permanent

condition. However, it is preventable.

Reducing vibration levels

With the Health and Safety Executive (HSE)

stating that more than two million workers in the

UK are at risk from HAVS, it’s important to take

measures to reduce vibration levels wherever

possible.

The exposure limit value (ELV) is the maximum

amount of vibration you can be safely exposed to

in any single day. For hand-arm vibration, the ELV

is a daily exposure of 5 m/s2 so it’s important to

carefully consider your choice of power tool,

ensuring it doesn’t exceed this level if you’re

going to be using it for long periods at a time.

In particular, jobs which involve grinding and

cutting can mean installers are working for long

“HAVS makes everyday tasks difficult and, in some

cases, prevents you from being able to carry out

installations at all, resulting in a loss of income”

periods of time with their power tools – and it’s in

these circumstances that tradespeople should

seek advice, choosing tools which reduce overall

vibration and are safe for continual use through

their specific anti-vibration features.

Avoiding incorrect use

As well as choosing an appropriate power tool for

the job, it’s also crucial to avoid incorrect use.

Selecting the wrong power setting, for example, or

applying excess pressure can lead to higher

vibration levels, as can premature wear and tear.

If in doubt, contact the manufacturer or search

YouTube for videos which should provide the

advice you need. For larger contractors using

several different power tools, it may be possible

to organise a demo or training through your

manufacturer too.

Don’t leave it too late

With HAVS affecting your ability to do your job and

representing a serious threat to your livelihood,

it’s important to ensure the necessary steps are

taken to limit your exposure to high levels of

vibration. Working together with a consultant from

your power tool manufacturer who knows its

products inside out will help to reduce overall

vibration levels and improve the health and safety

of power tools you use.

To learn more about FEIN’s MultiMaster tools

which are specially designed with an antivibration

system which reduces overall vibration

by up to 70%, or for any advice on your current

use of power tools and vibration levels, get in

touch with FEIN today.

Contact FEIN

01327 308730

https://fein.com/en_uk/

@FEIN_UK

86 TC OCTOBER 2019


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Tools:

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Ease of Use

THE RIGHT TOOL FOR THE JOB

Kevin Brannigan, Marketing Manager at Makita, outlines what roofing and cladding

contractors should look for when selecting power tools to help make their work easier

and safer.

When tools are being used throughout the

day every day, having the right tools can

make a significant difference. There are

a number of factors to consider and while the

available options may seem similar, it is

important to look carefully at the product

features.

Firstly, cordless tools have a number of benefits

in terms of allowing contractors to work quicker

and more flexibly. By removing the need to get

power to the area it reduces the amount of set up

time and eliminates the time required for

planning and managing the safe placement of the

cables. It also makes it easier for the user to

place themselves in the position that makes the

work easiest and safest without having to

consider the cables.

Furthermore, advances in brushless motor and

battery technology have meant that run times of

cordless tools have improved significantly over

recent years. Brushless motors are much smaller

allowing tools such as the DHP485 combi drill

and DTD153 impact driver

to be more compact and lighter. They are also

more energy efficient and produce more torque

per weight, which means less power is required

to achieve the same result, extending run times

by between 30% and 50% on each battery

charge.

Longer run times / reduced charging times

In addition to this, lithium-ion batteries allow

considerably longer run times compared with

previous technologies and innovations have been

made that reduce charging times. For example,

the intelligent charging system on Makita’s LXT

products allow industry leading charge times,

with an 18-volt 3 amp-hour (Ah) battery fully

charged in as little as 22 minutes. This means

work can continue without

interruption – especially

valuable for roofing and

cladding work carried out

at height.

In addition, with roofing and

cladding contracts

encompassing a range of different

types of work, it is important that the tool

makes this as simple as

possible. There is an

increasingly wide range of

cordless tools meaning that

there are few tasks that cannot

be accomplished with battery

power. For example, Makita’s

DHS782 cordless circular saw

can be fitted with a joist hook,

making it ideal for cutting roof

joists.

Also, selecting tools that share the

same battery system can be a wise choice as it

allows the battery to be swapped between the

tools as needed depending on the task. For

example, Makita has taken a ‘one-fits-all’

approach to the development of its 18v LXT

products. This means that the batteries can be

used on over 200 different products including

combi-drills, impact drivers, saws, grinders,

nailers and even the site radio.

It is also important to select a tool that has the

correct capacity for the intended work as

products that look similar may have significantly

different capabilities. The product information

provided by the manufacturer will detail the

maximum capacity with different materials. For

example, an 18v drill driver may be suitable for

drilling up to a 76mm diameter hole in wood but

only 13mm in steel. A similar 18v drill driver from

the same range may only be

capable of 36mm in wood

and the same 13mm in

steel.

Correct choice

The correct choice of tools

can also help make work safer.

Improving site safety is an

increasingly important focus for the construction

industry in general and for the

roofing and cladding sector

this is especially crucial

because of the increased

hazard from working at

height. Cordless tools also

help lower the risk by

significantly reducing the number of

potential trip hazards when working on

scaffolding by eliminating the need for power

cables in the work area. With cordless tools there

is also no danger of the cables getting trapped or

snagged, which could present a serious hazard

when operating the tools. Makita also offers a

wide range of tool belts, holsters and pouches

suitable for roofing applications to secure tools

and accessories – offering a solution to carry

products when you need both hands free.

When choosing power tools it is crucial to

understand what is needed and look carefully at

the product’s features and technology. For roofing

and cladding contractors, this will make work

easier, safer and will ultimately improve

productivity.

Contact Makita

01908 211678

www.makitauk.com

@MakitaUK

88 TC OCTOBER 2019


Whatever your flat roofing requirement,

you will be safe in the knowledge that a

RubberBond FleeceBack installation will

provide you with the highest quality,

long term flat roofing solution.

n Strength of FleeceBack Single Ply EPDM

n Speed of Factory Applied Tape

n Clean - No mixing of chemicals or liquids

n Versatile - Install on new build or

refurbishment projects

n Smooth, slate grey finish

n Simple application - No heat or welding

Contact us for:

Contractor training or to

request your sample pack.

Tel: 01494 448792

Email: enq@flex-r.co.uk

Flat Roofing Solutions


Updates

For further info on all these updates and more, visit www.total-contractor.co.uk

A GOOD FIT FOR ROOFERS

Scruffs has launched its most comprehensive and innovative range of trousers in recent years.

Scruffs has invested heavily in research and development to deliver pioneering new products made with high performance

fabrics, the best designs, and functional features that work hard.

The exciting line-up of new work trousers takes Scruffs’ range from four to seven products, with each item offering

increasing levels of performance and functionality as you move upwards through the range. Scruffs prides itself on delivering high

spec workwear for all at affordable prices. Already popular trousers have been completely re-engineered and improved even further too. The extended range

now offers a broader range of price points – from £24.95 to £64.95 (RRP) for all budgets and trades. The introduction of stretch fabric technology in the new

range means that Scruffs can now offer slim and regular trouser fit options, combing to provide all day comfort. The innovative abrasion resistant trousers are

made from 2-way or 4-way high-quality stretch fabric, which allows for the ultimate freedom of movement and flexibility, especially in tough or tight working

conditions. The Trade Flex Trouser, 3D Trade Trouser and Pro Flex Plus Trouser benefit from Cordura reinforcement knee protection. This globally renowned,

hard-wearing fabric is designed to provide durable, anti-abrasion protection in high wear areas such as the knees. Each pair of trousers also includes a robust

high quality zip from respected brand YKK, providing unrivalled reliability. https://www.scruffs.com/

DRESS FOR SUCCESS WITH WORK RANGE

September saw the launch of the next generation of Work Trouser choices from Snickers Workwear.

New styles, new designs and Snickers

Workwear’s most advanced work

trousers yet – with 4-way stretch.

There’s the Flexiwork 2.0 trousers; these high-spec trousers are made of durable 4-way stretch fabric that offers a new

level of comfort and freedom of movement. Then there’s the ‘loose-fit’ AllroundWork stretch trousers with a classic

Snickers Workwear look and feel, plus the new FlexiWork Denim Work Trousers where Workwear meets Streetwear in

these slim-fitting work trousers made of washed stretch denim. Also take a look at the new regular-fit RUFFWork

Canvas+ heavy duty trousers. And there’s the ALLroundWork womens stretch trousers, specially designed and shaped

with a narrower waist for optimal comfort and freedom of movement. www.snickersworkwear.co.uk

MAKE THE CUT WITH NEW BLADES

Hultafors Tools has launched a new range of ‘Snap-Off’ Knives for professional tradespeople.

Precision, quality and long-lasting sharpness are the

hallmarks of these superb new products.

With 13 different knives and 4 long-lasting precision blades, these all-round, ergonomic knives are

designed and built to suit a wide range of jobs on site. Symmetrically designed so that the blades can

be turned over, they’re adaptable for both left and right hand use so that left handed craftsmen and

women can adapt the knife rather than their own usage. What’s more, the blades are available in

three widths of 9, 18, and 25mm, with different blends of sharpness and long life built in to suit

regular hard work on site. www.hultafors.co.uk

FIX YOUR KIT WITH CATALOGUE OFFERS

The latest Screwfix catalogue is out now and packed full of ‘Trade Rated’ products, exclusives and more than 500 NEW

products, all offering great value and peace of mind.

Save £100 on the new DeWalt

18V XR Brushless Drill.

The new catalogue offers a variety of exciting products, from power tools and workwear to Smart Home. The ‘Trade Rated’

endorsement provides an additional level of confidence and reassurance, having been independently tried and tested by

Screwfix customers. Featured on the front cover is the brand new and exclusive DeWalt 18V XR Brushless Combi Drill with a

massive saving of £100. Available at the special introductory price of £149.99, it comes complete with 2 x 4.0Ah and TSTAK

compatible carry case. www.screwfix.com/stores

90 TC OCTOBER 2019


LEADING

INDEPENDENTNT

WATERPROOFING

SUPPLIER

E

ase of

40+ year life

installation

expectancy

BB

BA

Certified

www.qbmsingleply.co.uk

info@qbmsingleply.co.uk

+44 203 3688468


METAL RAINWATER &

ROOFLINE PRODUCTS

RAINWATER • SOFFIT • FASCIA • COPINGS • CAPPINGS • FLASHINGS

ARP works to ensure that the roofline and rainwater systems we manufacture are the best

quality, long lasting and will meet with the needs of the properties, contractors and installers.

Let us take the strain - we are here to help:

• Site visits.

• Dedicated project support from initial enquiry,

drawings, production and finally fitting on site.

• Excellent lead times.

• High-quality metal roofline and rainwater systems

• National network of technical Sales Managers

We work closely with our customers to get the right product, at the right time and the right price.

ALUMINIUM RAINWATER CAST IRON RAINWATER ALUMINIUM PRESSINGS

ALUMINIUM RAINWATER CAST IRON RAINWATER ALUMINIUM PRESSINGS

Call us today on 0116 298 6783

or visit www.arp-ltd.com

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