April 2021

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APRIL <strong>2021</strong><br />

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As we were going to print, the news broke that the Green Homes Grant<br />

Voucher scheme (GHGVS) has been closed after just six months, and<br />

the £300m that was set aside for the scheme will now be directed to<br />

Local Authority programmes.<br />

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The troubles around the administration and implementation of the scheme<br />

are well documented and just recently the Environmental Audit<br />

Committee’s 3rd Parliamentary report called for the scheme to “be urgently<br />

overhauled and extended to provide greater long-term stimulus to the<br />

domestic energy efficiency sector.”<br />

Whilst the early closure will be no surprise to many operating in the sector,<br />

it will still be a big hit to those who have invested their time and money in<br />

positioning themselves to carry out work under the scheme. The hope is<br />

such investment will mean these companies are well placed to make the<br />

most of future energy funding. Read more on page 06.<br />

On the subject of green upgrades, in this issue Simon Storer of the IMA<br />

gives his thoughts on the need for a longer-term UK-wide retrofit strategy –<br />

something which calls have become even louder for since the closure of<br />

GHGVS – and he explains what needs to be in place for such a strategy to<br />

gain traction on page 56.<br />

Elsewhere in this issue, we bring you the winners of the UK Roofing Awards<br />

2020 (p14); James Talman outlines four points for roofing contractors to act<br />

on from last month’s Budget (p18); and the experts at QI explain what the<br />

NHBC Chapter 7.1 update means for insulation on page 59.<br />

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APRIL <strong>2021</strong> TC 3

Contents<br />


58<br />


NFRC Chief Executive James Talman outlines his<br />

four key takeaways from last month’s Budget to<br />

assist roofing contractors<br />


Marley’s Stuart Nicholson looks at the problem<br />

of fire spreading in roof voids and explains how<br />

a new product can help roofers reduce the risk<br />


Graham Laws of Siderise Insulation talks<br />

passive fire protection and explains how digital<br />

tools can help validate workmanship remotely<br />

14<br />


14 AND THE WINNER IS...<br />

Which projects scooped the accolades at the UK Roofing<br />

Awards 2020? Find out here...<br />


We take a look at the ALL4Roof survey tool from<br />

Wienerberger and hear feedback from roofers<br />


Kevin Rackley of EJOT UK explains how fastener<br />

innovation is saving time on tapered insulation projects<br />

34 HOT TOPIC<br />

Paul Jacobs talks hot melt systems; when they should be<br />

used and what to consider when installing the membrane<br />

30<br />


Gradient’s James Wilkinson talks tapered insulation and<br />

explains how to reduce the risk of failure<br />


Simon Storer of IMA discusses what needs to happen for<br />

a National Retrofit Strategy to gain traction<br />

4 TC APRIL <strong>2021</strong>


16 SIG ROOFING<br />

Chris Page of SIG Roofing looks at the options<br />

and opportunities for roofing contractors when<br />

working on extensions following the easing of<br />

Permitted Development Rights<br />


John Mercer discusses the issues around<br />

upgrading insulation to meet Building<br />

Regulations when working on domestic roofing<br />

projects – a sometimes “contentious” issue<br />

59 QI BY QI<br />

In the latest instalment of their regular<br />

column, the experts at Quantum Insulation<br />

explain how the NHBC Chapter 7.1 update<br />

affects roof insulation<br />


TOTAL<br />


20<br />

TOTAL<br />


44<br />



After just six months the government has shut down the<br />

Green Homes Grant Voucher scheme<br />


The LRWA is raising funds for LandAid this May as the<br />

Virtual Dragon Team Challenge returns!<br />

TOTAL<br />


54<br />


& WORKWEAR<br />

08<br />

62<br />

APRIL <strong>2021</strong> TC 5

Industry News<br />



Cupa Group has announced it has<br />

acquired 100% of the share capital of<br />

Rinus Roofing Supplies through its<br />

subsidiary Burton Roofing Merchants.<br />

Financial details of the transaction were<br />

not disclosed.<br />

The Cupa Group says the transaction<br />

consolidates Burton’s position as the largest<br />

independent specialist distributor of roofing<br />

materials in the UK and increases Cupa’s<br />

exposure to the attractive UK roofing<br />

materials market.<br />

Led by Paul Hattee, UK Managing Director,<br />

Burton will now operate 37 distribution<br />

centres across the UK becoming “an<br />

increasingly important partner for the<br />

construction industry”.<br />

Rinus, a family-owned business founded in<br />

2007, is said to be the second largest<br />

independent distributor of roofing products in<br />

the UK employing 184 people, and has a<br />

portfolio of more than 2,600 clients.<br />

Rinus owns 24 branches nationwide and<br />

provides full product coverage across all<br />

roofing applications. It maintains an<br />

extensive network of relationships with<br />

established UK suppliers, giving the<br />

company access to the latest product<br />

development in the industry.<br />

Javier Fernández, CEO of Cupa Group, said:<br />

“We are excited to welcome Rinus to the<br />

Cupa family. We were attracted to the<br />

company given its strong track-record and<br />

solid market position in the UK which place it<br />

in a solid position to further expand its<br />

presence and continue its growth trajectory.<br />

We look forward to working together to<br />

deliver Cupa’s ambitious growth plans,<br />

strengthening our product range and<br />

expanding our international footprint.”<br />

More news, updates and interviews at www.total-contractor.co.uk<br />


The Green Homes Grant Voucher scheme, which<br />

was launched in September 2020 to upgrade the<br />

UK’s underperforming housing stock and reduce<br />

greenhouse gas emissions, has closed.<br />

A press release on the gov.uk website announcing<br />

the decision to stop accepting vouchers from 5pm<br />

on March 31st, stated the Green Homes Grant<br />

Voucher scheme “was designed to provide a<br />

short-term economic boost while tackling our businesses to carry out works – had reported<br />

contribution to climate change”, but despite this recent progress around the Green Homes Grant<br />

claim, the scheme had previously been extended Voucher scheme, and the feeling for some is that<br />

to March 2022.<br />

it was heading in the right direction.<br />

The government had faced mounting pressure to Despite the confusion and sudden closure, it is<br />

address the failings of the scheme and the recent hoped that the investment and work put in by<br />

Environmental Audit Committee’s Parliamentary these businesses, such as achieving PAS 20230<br />

report called for the scheme to “be urgently certification, will not be in vain, as they will<br />

overhauled and extended to provide greater longterm<br />

stimulus to the domestic energy efficiency funding and other initiatives.<br />

hopefully be well positioned for future government<br />

sector.”<br />

James Talman, NFRC Chief Executive commented:<br />

The release goes on to explain that “£300 million “Sadly, the news that the Green Homes Grant<br />

extra funding is to be invested to cut greenhouse Voucher Scheme is not being continued, whilst<br />

gas emissions from the nation’s homes through disappointing, does not come as a surprise.<br />

energy efficiency and low carbon heating<br />

Despite warnings from industry, the Scheme did<br />

schemes’, and ‘the funding will focus on<br />

not work for the businesses that were expected to<br />

delivering energy saving upgrades and low carbon deliver it. The system was far too bureaucratic,<br />

heating to homes through local authorities in costly, and time-consuming and, as such, was<br />

England, meaning tens of thousands more lowincome<br />

households will be able to be upgraded.” contractors. This meant that instead of it boosting<br />

out of reach for the vast majority of roofing<br />

order books, it actually led to some roofers losing<br />

This news around Local Authority funding was<br />

work, and for others delaying projects.<br />

welcomed by Solar Energy UK Chief Executive<br />

Chris Hewett: “We do welcome the news that the “However, a long-term retrofit plan is still needed<br />

Local Authority Delivery and Social Housing for the millions of homes in the UK that need<br />

Decarbonisation schemes will now receive upgrading to meet the UK’s net-zero targets, and<br />

additional funding to help those on low incomes the government must now provide this to give<br />

secure green home upgrades. The government businesses and homeowners certainty. The<br />

must learn from these successful schemes and roofing industry will be critical to this strategy,<br />

build a long-term policy to create viable job with a quarter of all heat loss from a home being<br />

growth and a green economic recovery.”<br />

through the roof.<br />

Whilst it had suffered difficulties since its launch, “The government must learn lessons from the<br />

some installers and contractors – who have failed Green Homes Grant Scheme and fully<br />

invested thousands of pounds to achieve the consult with industry to find a scheme that works<br />

correct certifications and position their<br />

for all.”<br />

6 TC APRIL <strong>2021</strong>

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Industry News<br />



Media Now, the Publisher of Total<br />

Contractor magazine, has launched<br />

Greenscape magazine in association with<br />

the Green Roof Organisation.<br />


Greenscape, which<br />

will be published<br />

four times a year,<br />

focuses on the<br />

green roof and<br />

solar PV sectors<br />

and offers<br />

guidance and<br />

advice for all<br />

those involved<br />

in the supply<br />

chain, plus keeps them up to date with the<br />

latest projects, initiatives and developments<br />

within the sectors.<br />

Ensuring Bes t Pr<br />

actice for Green Rooo f & Solar PV Projects<br />

A<br />

In collaborat<br />

tion with the Green Roofing As<br />

sociation.<br />

Illustrative cover: image<br />

courtesy of Complete<br />

Roofing Systems.<br />

MAGA<br />

AZINE<br />

A spokesperson for Media Now explained: “In<br />

line with the path the government is<br />

currently on, it’s clear green roofs and Solar<br />

PV are going to play an increasing role in the<br />

built environment as we attempt to meet<br />

environmental targets.<br />

“With increased demand, however, it’s even<br />

more important that standards are maintained<br />

throughout the supply chain to ensure<br />

installations and projects perform as expected,<br />

and ultimately stand the test of time.<br />

“With this in mind, we’ve launched<br />

Greenscape to keep all those involved on<br />

green roof and solar PV projects – from<br />

design and specification through to<br />

installation and maintenance – up to date<br />

with the latest developments, projects, and<br />

advice and guidance for their sectors.”<br />

To find out more or request a media pack,<br />

visit www.greenscapemag.co.uk or contact<br />

a member of the team on:<br />

01892 732 047.<br />

More news, updates and interviews at www.total-contractor.co.uk<br />


SIG UK has boosted its Scotland service<br />

help with all enquiries.”<br />

with 20 new staff members as it cuts<br />

The site, which was closed in<br />

the ribbon on a newly refurbished<br />

2019 as part of a<br />

branch in Cambuslang, South<br />

consolidation strategy,<br />

Lanarkshire.<br />

operates a fleet of five delivery<br />

The 30,000sq ft premises, situated<br />

vehicles, with plans to grow this<br />

just outside Glasgow, holds up to £1<br />

fleet to eight vehicles as the<br />

million in stock and has 30 permanent members business expands. The branch says it will<br />

of staff. Twenty new roles have been created at the cover all the way down to the Borders and as far<br />

branch to join ten existing SIG staff as part of the north as Dundee, or further if necessary, to satisfy<br />

company’s continuing commitment to improving customer requirements.<br />

services by offering increased specialism to<br />

Cathie Mitchell, Branch Director, said: “I am really<br />

customers at branch level.<br />

excited about the re-opening of the site in<br />

David Hope, Divisional Managing Director for the Cambuslang and have been joined by several<br />

North & Scotland, said: “This branch opening is members of the previous team who had moved on<br />

an excellent example of SIG moving in the right to pastures new or retired. They are delighted to<br />

direction by increasing its number of highly be back with SIG at Cambuslang. Together with<br />

experienced staff on the ground to work step by the existing team, we have added to our<br />

step with contractors and make a real, material experience and the enthusiasm to deliver a<br />

contribution to their project goals. The staff at quality, efficient service is strong. Collectively we<br />

Cambuslang have years of specialist knowledge in look forward to developing our relationships with<br />

the ranges stocked at the site and are keen to customers and suppliers old and new.”<br />


NARM, the National<br />

website library.<br />

Association of Rooflight<br />

NARM represents<br />

Manufacturers, has<br />

manufacturers and<br />

issued a new document<br />

suppliers of all types of<br />

entitled ‘Definition of<br />

rooflights into the UK<br />

geometric free area for<br />

market, many of which<br />

Smoke Vents’.<br />

incorporate ventilation<br />

Stuart Middle, NARM’s<br />

functions. Its purpose is to<br />

Technical Committee Chairman, said: “This identify and promote best practice in rooflight<br />

document is intended to contribute to improving specification, installation, maintenance and<br />

fire safety standards by clarifying the definition of safety.<br />

the term ‘geometric free area’ in respect of smoke<br />

The NARM website library contains a wide<br />

ventilation, to ensure compliance as defined in<br />

selection of technical guidance documents<br />

Appendix D of Approved Document B2 of the<br />

covering rooflight-related topics from general<br />

Building Regulations.”<br />

daylight design guidance, to energy saving, safety<br />

The document is listed as NARM Quickguide 07 and regulatory compliance.<br />

and can be downloaded free of charge from the<br />

For further information, visit www.narm.org.uk<br />

Technical Documents section of the NARM<br />

8 TC APRIL <strong>2021</strong>

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Industry News<br />

More news, updates and interviews at www.total-contractor.co.uk<br />


The Liquid Roofing and Waterproofing<br />

Association (LRWA) has announced the return<br />

of its Virtual Dragon Team Challenge.<br />

Taking place from 10th – 28th May <strong>2021</strong>, the<br />

event will task teams of up to 11 people to walk,<br />

run, cycle or swim as far as they can in 30<br />

minutes. The winners will be awarded based on<br />

the total kilometres achieved.<br />

As well as helping to bring people together<br />

virtually during the pandemic, the challenge offers<br />

participants the chance to raise money for the<br />

LRWA’s chosen charity which for <strong>2021</strong> will be<br />

LandAid. Working in communities across the UK,<br />

LandAid brings together companies and<br />

individuals from across the property and<br />

construction industries to help young people who<br />

are experiencing homelessness.<br />

The Virtual Dragon Team Challenge will award<br />

bonus kilometres for the photo of the activity in<br />

the most original place and the team with the<br />

highest fundraising. Teams can also<br />

gain extra kilometres by sharing<br />

photos or videos of their efforts<br />

on social media.<br />

LRWA members and non<br />

members are invited to take part to<br />

encourage the whole industry to get<br />

involved.<br />

Sarah Spink, CEO of the LRWA said: “We launched<br />

the Virtual Dragon Team Challenge for the first<br />

time last year as an alternative to the Dragon Boat<br />

Regatta, which had to be cancelled because of the<br />

pandemic. It was a huge success helping to raise<br />

more than £3,000 for charity and involving 66<br />

participants.<br />

“With coronavirus restrictions still in place, we<br />

are bringing the challenge back for <strong>2021</strong> and hope<br />

that even more people from across the roofing and<br />

waterproofing sector get involved.<br />

“The event is free to enter and a<br />

great opportunity to get active as<br />

well as to raise the profile of our<br />

industry and much needed funds<br />

for charity.”<br />

The winners will be announced<br />

virtually on 11th June <strong>2021</strong> via a video<br />

link. Medals will be awarded to all members of the<br />

team who place first, second and third.<br />

Speaking about LandAid, Sarah explained:<br />

“LandAid is a fantastic charity focused on working<br />

with the whole property and construction industry<br />

to achieve lasting change. I love the idea of the<br />

roofing sector helping youngsters to get a roof over<br />

their head. By working together, there is the<br />

potential to raise a significant amount of money to<br />

help achieve that aim and make a difference.”<br />

To register a team for the Virtual Dragon Team<br />

Challenge visit: www.lrwa.org.uk. Find out more<br />

about LandAid: www.landaid.org<br />


Construction charity Band of Builders<br />

this year. Having the backing of a<br />

has teamed up with DEWALT in a<br />

global brand in this way will<br />

partnership that will provide help and<br />

undoubtedly strengthen our profile<br />

support to tradespeople impacted by<br />

and drive awareness on a larger<br />

illness, injury or financial crisis.<br />

scale than ever before. Our aim is to<br />

reach as many construction workers<br />

Band of Builders (BoB) is a registered charity<br />

across the country as possible and having<br />

that aids members of the construction industry<br />

DEWALT championing our cause will enable us to<br />

when times get tough through hands-on support, as<br />

communicate our message to a significantly<br />

well as providing help and advice through its<br />

larger audience. Most importantly, it will also<br />

extensive online community.<br />

allow us to help a greater number of beneficiaries<br />

As part of the collaboration, DEWALT will supply over the coming months and years.”<br />

tools and equipment for volunteers to use during<br />

Chris Wayne, Group Marketing Manager at<br />

construction or renovation projects, and the<br />

DEWALT, said: “We are passionate about<br />

company will also engage in a programme of<br />

supporting the professional trade community and<br />

activities throughout the year to raise vital funds<br />

are eager to start work with Band of Builders – a<br />

and drive awareness of the charity’s essential work.<br />

hugely inspiring charity that is run by<br />

Gavin Crane of Band of Builders commented: tradespeople, for tradespeople.”<br />

“We’re excited to welcome DEWALT as a partner www.bandofbuilders.org<br />


• Matt Black has been appointed the new<br />

Chair of Solar Energy UK by the<br />

association’s board. He is joined by<br />

Christelle Barnes, UK Manager at SolarEdge,<br />

and Gareth Williams, Managing Director of<br />

Caplor Group, who are taking on Vice-Chair<br />

roles. Matt, a Director at Solivus and<br />

adviser to solar investors and developers,<br />

takes on the role following five years of<br />

service by Jonathan Selwyn, who has stood<br />

down to focus on his new role as Managing<br />

Director at Bluefield Development.<br />

• Philip Fergusson has been appointed<br />

Sales & Marketing Manager for Magply’s<br />

IPP Roofing Division. Philip will be<br />

promoting and overseeing the company’s<br />

Magply Euroclass A1 non-combustible<br />

boards for all roofing applications.<br />

10 TC APRIL <strong>2021</strong>

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Industry News<br />

More news, updates and interviews at www.total-contractor.co.uk<br />


The organisers of World Green<br />

the industry. It felt only right to create<br />

Roof Day say they want to build<br />

a day that this could be<br />

on the success of the 2020<br />

celebrated, showcased and<br />

event, and ensure that every<br />

encouraged.”<br />

country around the world<br />

They concluded: “We would<br />

gets involved this year to<br />

love for you all and many more<br />

“celebrate green roofs as one<br />

to be involved again this year!<br />

way we can address some of the<br />

The Official GRO Code <strong>2021</strong> will also<br />

climate and biodiversity issues we<br />

be launched on this day, and this will be<br />

face in our everyday lives.”<br />

followed up by a GRO Q&A Webinar on 11th June<br />

World Green Roof Day is now recognised as an <strong>2021</strong>.”<br />

Official Day of the Year, taking place annually on<br />

www.worldgreenroofday.com<br />

6th June.<br />

Global input<br />

Chris Bridgman of Bridgman & Bridgman, who<br />

organised the event alongside Dusty Gedge,<br />

Last year, World Green Roof Day really was a<br />

founder of LivingRoofs.Org and President of the<br />

global event, with Chris and Dusty explaining<br />

European Federation of Green Roof and Wall<br />

that green roofs from Ireland, England, Scotland,<br />

Associations, explained: “It seems like only<br />

Wales, the USA, Canada, Brazil, Iran, Belgium,<br />

yesterday that we celebrated the inaugural World<br />

France, Germany, Holland, Czech Republic,<br />

Green Roof Day together. Despite the challenges of<br />

Norway, Finland, Italy, Spain, Portugal, Russia,<br />

a global pandemic, there was a huge buzz around<br />

China, Poland, Singapore, Chile, Australia,<br />

green roofing across all social media channels,<br />

Greece, Slovakia, Austria, New Zealand, South<br />

including LinkedIn, Twitter, Instagram and<br />

Korea, Kenya, Egypt, Malta, Turkey, Indonesia,<br />

Facebook.<br />

Costa Rica, Lebanon, the UAE, Sweden,<br />

Switzerland, Malaysia, Cyprus, Saudi Arabia,<br />

“Projects from over 57 countries were shared and Qatar, Ukraine, Japan, Israel, Bulgaria, Latvia,<br />

admired around the globe. This campaign has Peru, Colombia, Argentina, Kuwait, Macedonia,<br />

shown the strength and passion of our<br />

Iceland and Thailand, were showcased across<br />

community, as well as the skill and talent across social media channels as part of the event!<br />


Following the release of the Department for year before makes for difficult reading. This will<br />

Education’s apprenticeship and traineeship exacerbate the skills shortage, and hamper<br />

data, Brian Berry, Chief Executive of the construction’s ability to do its bit to build back<br />

Federation of Master Builders, explained: better. As we emerge from the coronavirus<br />

pandemic and implement the UK’s new pointsbased<br />

immigration system, skills and training in<br />

“The Government must reverse the sharp fall in<br />

construction apprenticeships by giving builders a<br />

key sectors, such as construction, should be at<br />

greater voice in local skills plans and by supporting<br />

the forefront of the Government’s mind. As local<br />

builders and colleges to work better together.<br />

builders train 71% of apprentices in the industry,<br />

“That 3,000 fewer apprentices started in the first they must be at the heart of plans to bring in the<br />

half of the 2020/21 academic year than did so the next generation of tradespeople.”<br />



The allocation of £500 million towards<br />

reducing carbon emissions in 50,000 social<br />

housing and low-income households across<br />

England and Scotland has been welcomed<br />

by insulation specialist Actis. The money,<br />

which is being distributed to more than 300<br />

local authorities under the government’s<br />

Green Homes Grant Local Authority Delivery<br />

scheme, will fund energy saving initiatives<br />

for fuel poor households.<br />

The measures include insulation in lofts,<br />

floors and in walls, as well as renewables<br />

such as solar panels and heat pumps.<br />

Actis UK and Ireland Sales Director Mark<br />

Cooper said the move was an important step<br />

towards helping improve the thermal efficiency<br />

of some of the UK’s poorest performing homes.<br />

“Around 25% of Britain’s housing stock is<br />

more than 100 years old. It is amongst the<br />

worst housing stock in the whole of Europe<br />

when it comes to energy efficiency, and is<br />

responsible for a third of our carbon<br />

emissions. Improving insulation is a pretty<br />

crucial element in enabling the nation to<br />

reduce its carbon emissions.”<br />

He stressed the importance of adopting a<br />

“fabric first” approach: “It makes financial<br />

sense to ensure that the existing building<br />

fabric is as energy efficient as possible before<br />

spending resources on other measures.<br />

Insulation is generally among the most cost<br />

effective and long-lasting measures, and thus<br />

the best investment.”<br />

12 TC APRIL <strong>2021</strong>

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UK Roofing Awards 2020<br />



Despite having to cancel the live awards ceremony for the UK Roofing Awards 2020, the<br />

judging of the fantastic project entries still went ahead this year. Each year, these entries<br />

showcase the high calibre of work and exceptional level of skill that is achieved on projects<br />

within the UK roofing and cladding sectors. Find out who stood out for the judges and who<br />

took home the awards for 2020…<br />

“The UK Roofing Awards<br />

are all about<br />

celebrating our<br />

industry at its best”<br />

Robert Speroni, MD, Radmat Building<br />

Products, Headline Sponsor.<br />

The winners of the UK Roofing Awards 2020<br />

have been revealed! Owing to ongoing<br />

Covid-19 restrictions, the live event that<br />

was previously scheduled for 28th May <strong>2021</strong> was<br />

not able to take place as planned.<br />

However, due to the high calibre of all of the<br />

entries, NFRC felt that it was essential that the<br />

judging of the awards still went ahead, and for<br />

the first time, this was carried out entirely online<br />

by a panel of highly regarded industry figures.<br />

The winners of each category of the UK Roofing<br />

Awards 2020 are listed below:<br />

• Roof of the Year<br />

(sponsored by SIG Roofing)<br />

Winner: Claude N Smith Ltd<br />

Project: Bodley Court (Kings College Cambridge,<br />

Cambridge, England)<br />

Paradise Street Student<br />

Accommodation.<br />

• Industry Choice (sponsored by Radmat)<br />

Winner: Longworth Building Services<br />

Project: Paradise Street Student Accommodation<br />

(Coventry, England)<br />

Brighton College.<br />

• Bituminous Hot-Applied Liquid<br />

Waterproofing (sponsored by Radmat)<br />

Winner: BriggsAmasco<br />

Project: Brighton College (Brighton, England)<br />

Manufacturer: IKO PLC<br />

• Cold Applied Liquids<br />

(sponsored by Radmat)<br />

Winner: Williams Roofing Contractors<br />

Project: SW Mile Oak, (Portslade, West Sussex)<br />

Manufacturer: Polyroof Products Ltd<br />

IKEA Store, Greenwich.<br />

• Green Roofing (sponsored by FAKRO)<br />

Winner: Bridgman & Bridgman<br />

Project: IKEA Store, Greenwich<br />

(Greenwich, London)<br />

Manufacturer: Bauder UK<br />

• Mastic Asphalt (sponsored by Radmat)<br />

Winner: Sussex Asphalte<br />

Project: Romany (Surrey, England)<br />

Manufacturer: IKO PLC<br />

• Reinforced Bitumen Membranes (RBM)<br />

(sponsored by Sika)<br />

Winners: Geo. Brolly & Co (Roofing) Ltd /<br />

DM Roofing<br />

Project: Isle of Bute Discovery Centre, (Isle of Bute,<br />

Scotland. Below)<br />

Bodley Court.<br />

14 TC APRIL <strong>2021</strong>

• Single-Ply Roofing<br />

(sponsored by Radmat)<br />

Winner: Owlsworth Roofing<br />

Project: Library Refurbishment (University of<br />

Reading, Reading, England)<br />

Manufacturer: Sika Sarnafil<br />

Pangolin, Nigel Hayman Roofing.<br />

• Small Scale Project

Permitted Development Rights<br />


Spring is traditionally the time when the housing market gets moving. But for those who<br />

choose to stay put and extend, it’s become easier to add that extra living space. Chris Page,<br />

Business Development Manager for Flat Roofing at SIG Roofing, considers the options and<br />

the opportunities for roofing contractors.<br />

Without getting ahead of ourselves, there is<br />

a sense of optimism in the air. Measures<br />

to tackle the pandemic are taking effect<br />

and it won’t be too long before the economic<br />

recovery should start gathering some momentum.<br />

Over the past 12 months or so the government has<br />

unveiled a number of initiatives in support of the<br />

construction industry, and one that is positive for<br />

the roofing sector is the easing of Permitted<br />

Development Rights (PDR).<br />

It means, among other things, that homeowners<br />

can now add up to two storeys to the rear of their<br />

property without applying for planning consent, or a<br />

single storey at the side for a detached house.<br />

This is good news for contractors, both for those<br />

focusing on the bricks and mortar and for roofers,<br />

as it will undoubtedly create new opportunities.<br />

Conditions<br />

It’s not a free-for-all, however, as conditions still<br />

have to be adhered to. The enlarged property must<br />

fit in with the character of the local area and the<br />

materials used should match, or be similar to,<br />

those of the original building.<br />

Contractors should also remind their customers<br />

that while the extension will not require planning<br />

permission, Building Regulations continue to apply.<br />

It’s worth remembering that contractors who are<br />

members of the NFRC’s Competent Person Scheme<br />

are able to self-certify that their work meets the<br />

requirements of Approved Document L1B of the<br />

Building Regulations.<br />

This is an extra selling point for contractors as it<br />

avoids the bureaucracy and expense of a Building<br />

Controls inspection.<br />

A further stipulation under the new<br />

PDR is that there should be no<br />

windows in the side wall or roof<br />

slope facing the neighbours.<br />

In the case of a pitched roof, this<br />

potential lack of natural daylight in the<br />

extension can be overcome with a Velux<br />

window in the section facing the rear. For a flat roof,<br />

a roof dome will do a similar job.<br />

For both there is the option of adding mechanical or<br />

electrical opening and even sensors that will<br />

respond to the changing weather and open and<br />

close as appropriate. Again, this is a talking point<br />

with the customer for a contractor.<br />

Simpler construction<br />

Where the aesthetics of the property allow for a<br />

choice, it is generally true that the total build cost of<br />

a flat roof will be lower than that of a pitched roof,<br />

as it is a simpler construction.<br />

For an ultra-modern property that is architecturally<br />

different, a flat roof could be the most suitable and<br />

would provide more internal cubic metreage while<br />

staying within height regulations. With a pitched<br />

roof, the greater depth of the roof installation could<br />

reduce the habitable space below.<br />

However, this ‘loss’ can be overcome to some<br />

extent with a low pitch roof, which enables the tiled<br />

look of the original property to be continued with the<br />

extension.<br />

This method allows the pitch to be below the tile<br />

manufacturer’s recommended minimum.<br />

Depending on the tile and product type this could be<br />

as low as 12.5º. But this may require a secondary<br />

roof system to ensure it is weathertight.<br />

Left: Chris Page, Business Development<br />

Manager for Flat Roofing at SIG Roofing.<br />

Growing fast in popularity are flat<br />

roofs with a cold applied liquid<br />

membrane, such as GRP (glassreinforced<br />

plastic). Liquid<br />

membranes have a clean, seamless<br />

finish, which makes it an attractive option.<br />

Modern finish<br />

For a very modern looking finish, some people use a<br />

liquid product to make it look like a standing seam<br />

zinc roof, although this could also be achieved with<br />

a single-ply solution.<br />

An alternative is EPDM rubber, a single-ply<br />

application that comes in pre-made rolls. Its speed<br />

and ease of installation makes it more affordable<br />

than GRP when you look at it from an installed cost<br />

perspective, although it doesn’t have the same<br />

aesthetics. Both are durable, EPDM has a lifespan<br />

of 50 years, similar to that of GRP.<br />

Some homeowners don’t like the look of a flat roof,<br />

but also don’t want a complete pitch, so here the<br />

contractor can suggest a short pitched roof with a<br />

flat roof behind it.<br />

So, there are plenty of options for the contractor to<br />

discuss with the property owner, but unfortunately<br />

for roofers working where there are conservation<br />

areas or national parks, or in the Norfolk Broads,<br />

there’s been no relaxation of Permitted Development<br />

rights for these areas.<br />

Contact SIG Roofing<br />

www.sigroofing.co.uk<br />

@SIGRoofing<br />

16 TC APRIL <strong>2021</strong>

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NFRC Roofing Focus<br />



James Talman, NFRC Chief Executive, outlines four points from last month’s Spring Budget<br />

which he feels roofing contractors should take advantage of this new financial year.<br />

As we enter the new financial year, and we have time to digest the Chancellor’s Spring<br />

Budget, there are a number of initiatives which are being launched very shortly<br />

which roofing contractors should be aware of and may have been missed with<br />

all of the noise surrounding the Budget. Many of these schemes will help with<br />

companies’ cashflow and long-term growth and are worth considering if they are not on<br />

your radar already.<br />

1Make the most of the £3,000 incentive<br />

to take on an apprentice In the Budget<br />

the Chancellor announced that the<br />

government will double the incentive paid to<br />

employers in England who take on an apprentice<br />

of any age between 1st <strong>April</strong> <strong>2021</strong> and 30th<br />

September <strong>2021</strong>. This funding can be spent on<br />

anything to support a company’s costs for the<br />

apprentice such as travel or their salary and<br />

there is no requirement to pay it back. This<br />

funding is also in addition to the £1,000 already<br />

paid to employers who take on an apprentice<br />

between 16–18-year-olds. With growing skill<br />

shortages in our sector, now is the perfect time to<br />

take on an apprentice and make the most of this<br />

government funding.<br />

2Claim the 130% ‘Super Deduction’ on<br />

any new plant and machinery To help<br />

encourage businesses to invest as we<br />

recover from the Covid-19 pandemic, the<br />

government announced a new ‘Super-Deduction’<br />

Capital Allowance, on any plant and machinery<br />

costs between 1st <strong>April</strong> until end March 2023.<br />

This will offer 130 per cent first-year tax relief on<br />

‘main rate’ investments such as vans, ladders,<br />

and computers, and 50 per cent on ‘special rate’<br />

investments which includes things such as solar<br />

panels. The government estimate that under this<br />

new capital allowance, for every pound a<br />

company invests, their taxes will be cut by up to<br />

25p. So, if you need to buy a new van,<br />

update your company’s office equipment, or<br />

even to get some new tools, make sure you make<br />

the most of the Super Deduction.<br />

3Invest in your company’s management<br />

and digital skills with the Help to Grow<br />

scheme In the Budget the Chancellor<br />

announced a new £520m ‘Help to Grow’ scheme<br />

for Small and Medium Sized companies (5-249<br />

employees) to help take them to the next level by<br />

providing management training, technology<br />

advice, and access to one-to-one support from a<br />

mentor. If your company meets the SME definition<br />

and has been trading for more than 12 months<br />

you could be eligible for this scheme.<br />

From June, small businesses will be able to<br />

access a 12-week management programme that<br />

will be delivered by leading business schools<br />

across the UK. This is designed to be undertaken<br />

alongside full-time work, and will help leaders to<br />

develop their strategic, financial management,<br />

and business planning skills. There will be<br />

30,000 places available over the next three<br />

years, and it will be 90 per cent subsidised by<br />

government, so firms only have to pay £750.<br />

In the Autumn, all businesses will also be able to<br />

obtain impartial advice on how technology can<br />

boost their performance through a new online<br />

platform. Firms will also be able to get discounts<br />

“With growing<br />

skill shortages<br />

in our sector,<br />

now is the<br />

perfect time to<br />

take on an apprentice<br />

and make the most of<br />

this government<br />

funding”<br />

of up to 50 per cent on the cost of approved<br />

software up to £5,000.<br />

4Join the VAT deferral scheme If you<br />

deferred VAT payments scheduled between<br />

20th March 2020 and 30th June 2020 due<br />

to the impact of Covid-19, you can join the ‘VAT<br />

deferral new payment scheme’ which allows you<br />

to pay deferred VAT in equal instalments, interest<br />

free, over a period from two to eleven months.<br />

This may be something contractors want to<br />

consider to help soften the cashflow blow of<br />

Reverse Charge VAT. To take advantage of this you<br />

must join by 21st June <strong>2021</strong>.<br />

As always, NFRC are regularly monitoring the<br />

latest developments in government policy and<br />

making sure the roofing industry’s voice is heard.<br />

If you have any ideas on what more the<br />

government can do to support our sector, please<br />

contact us on the details below:<br />

Contact NFRC<br />

www.nfrc.co.uk<br />

@TheNFRC<br />

Left: James Talman, Chief Executive of NFRC.<br />

18 TC APRIL <strong>2021</strong>

Perfectly Pitched<br />



Technical Roofing Consultant John Mercer looks at the issues around upgrading insulation<br />

to meet Building Regulation requirements when working on domestic roofing projects.<br />

Iam sometimes called in to disputes between<br />

homeowners and roofing contractors following<br />

roofing works at their property, and<br />

surprisingly, one of the contentious issues is often<br />

the upgrade of the loft or roof insulation.<br />

Since 2010, when a property is to be re-roofed, or<br />

more than 25% of the existing roof is to be<br />

replaced, or an extension is added that is at least<br />

25% of the size of the existing house, it is<br />

compulsory to upgrade loft insulation to comply<br />

with current Building Regulation<br />

requirements. This, in effect, is a<br />

retrospective improvement of<br />

existing properties and was<br />

introduced to try to speed up<br />

the huge task of improving the<br />

thermal performance, and thus<br />

the carbon footprint, of the UK’s<br />

aging housing stock.<br />

The minimum recommended depth of insulation<br />

Left: John Mercer, Technical Roofing Consultant.<br />

is 270mm for glass wool or<br />

250mm for rock wool. Usually,<br />

there will already be some<br />

insulation in the loft, laid<br />

between the ceiling joists, so<br />

unless the existing insulation is<br />

wet, or damaged, the roofer just<br />

needs to ‘top up’ the insulation by laying<br />

new insulation across the joists to ensure the<br />

minimum insulation depth is achieved.<br />

“Upgrading the loft insulation during roofing<br />

work means that consideration must be given to<br />

the increased condensation risk that higher<br />

levels of insulation may pose”<br />

More problematical spaces<br />

For buildings with sloping ceilings that follow the<br />

rafters, upgrading and installing roof insulation<br />

can be more problematical. If there is already<br />

insulation between the rafters, it may be<br />

necessary to either replace this with a more<br />

thermally efficient insulation or supplement it by<br />

adding insulation board over the rafters. In<br />

practice, both options may be required. If the loft<br />

is being converted into a warm living space, it<br />

may be possible to fit insulation board under the<br />

rafters as well as between, and to construct a<br />

well-sealed ceiling with a vapour control layer.<br />

The thickness of the insulation will depend on the<br />

type used.<br />

Up to a quarter of heat within a home can be lost<br />

“For buildings with<br />

sloping ceilings that<br />

follow the rafters,<br />

upgrading and<br />

installing roof<br />

insulation can be more<br />

problematical”<br />

20 TC APRIL <strong>2021</strong>

“Where eaves<br />

ventilation is required,<br />

it will be necessary to<br />

install rafter trays”<br />

Illustration shows an eaves detail.<br />

through an uninsulated roof, therefore apart from<br />

the legal requirement, upgrading the insulation is<br />

an effective way to reduce heat loss and energy<br />

costs, and the most convenient time to do it is<br />

whilst the roof is being replaced. Loft insulation<br />

lasts for many years and will pay for itself many<br />

times over.<br />

Building Regulation approvals<br />

Because this is a Building Regulation<br />

requirement, it is necessary to notify the local<br />

Building Control office when work is to take place.<br />

The building owner is responsible for applying for<br />

any necessary Building Regulation approvals.<br />

More information can be found on the<br />

Government Planning Portal at<br />

www.planningportal.co.uk.<br />

The alternative is for the homeowner to employ<br />

the services of a roofing contractor who is a<br />

member of a Competent Person Scheme. Details<br />

of the roofing Competent Person Scheme can be<br />

found at https://nfrccps.com. This means that a<br />

member roofer is qualified to self-certify the work<br />

for Building Regulation compliance; Building<br />

Control will be automatically notified, and a<br />

Building Regulations Compliance Certificate<br />

issued. In addition, the homeowner will receive<br />

an insurance backed 10-year guarantee. This<br />

ensures that if there was a fault with the roofing<br />

work and the contractor has ceased trading,<br />

remedial works will be carried out at no extra<br />

expense to the homeowner.<br />

Increased condensation risk<br />

For the roofer, upgrading the loft insulation during<br />

roofing work means that consideration must be<br />

given to the increased condensation risk that<br />

higher levels of insulation may pose. It is<br />

important to follow the underlay manufacturer’s<br />

recommendation for roof-space ventilation.<br />

Where eaves ventilation is required, it will be<br />

necessary to install rafter trays, or longer rafter<br />

trays if they are already installed, to ensure an air<br />

path is maintained past the insulation from the<br />

eaves ventilators into the loft space. A dry ridge<br />

system will further reduce the risk of<br />

condensation forming in the loft space.<br />

For a warm roof, it may not be practical to provide<br />

a ventilated air gap between the insulation and<br />

underlay, therefore it is important to choose an<br />

underlay that can be used in such a situation<br />

without ventilation, and to construct the ceiling to<br />

be as sealed as possible to reduce air leakage.<br />

Possible exclusions<br />

One point to bear in mind – in the unlikely event<br />

that roof tiles need to be replaced under a<br />

manufacturer’s warranty, the manufacturer’s<br />

liabilities, depending on the warranty conditions,<br />

may exclude associated costs such as upgrading<br />

the insulation, even though this work must be<br />

done to comply with Building Regulations.<br />

Therefore, the building owner must pay the costs<br />

of any extra insulation.<br />

Have you got a pitched roofing query or topic you’d like<br />

John to discuss? Email mattdowns@media-now.co.uk or<br />

contact John on the details below:<br />

Contact John Mercer<br />

www.johnmercerconsultant.co.uk<br />

@Johnmercer3<br />

In summary:<br />

• When adding or replacing more than<br />

25% of a roof area, the loft or roof<br />

insulation needs to be upgraded to current<br />

regulatory requirements and Building<br />

Control notified of the work.<br />

• If a company is appointed who is a<br />

member of the Competent Person Scheme,<br />

then the roofer can take care of certifying<br />

the work for Building Regulation<br />

compliance.<br />

• The new roof must be installed to<br />

minimise the risk of condensation, being<br />

mindful of the underlay manufacturer’s<br />

recommendations for roof-space<br />

ventilation.<br />

APRIL <strong>2021</strong> TC 21

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Carbon Steel<br />

BA-F PLUS<br />

Carbon Steel<br />

Hot Dip Galv.<br />

BA-C NC<br />

Zinc Plated<br />

Carbon Steel<br />



Fire Barriers<br />



Following reports about the danger of fire spreading in roof voids, Stuart Nicholson, Roof<br />

Systems Director at Marley, explains how a new innovation can help contractors reduce<br />

this risk.<br />

Fire barriers are an unseen – but very<br />

important – product when installing a<br />

pitched roof on terraced or semi-detached<br />

housing. When a roof is compartmentalised, fire<br />

stopping is required between the top of the party<br />

wall and the roof covering, acting as a seal to<br />

prevent spread of flames and smoke between<br />

properties in case of fire.<br />

However, there have been some house fires in<br />

recent years where the fire has spread across the<br />

line of the party wall and caused damage to<br />

neighbouring properties. This issue of fire<br />

spreading in roof voids was addressed in<br />

separate reports from the BRE and BBC<br />

Watchdog, which raised concerns that some<br />

modern homes could have inadequate, incorrectly<br />

installed and, in some cases, no fire barriers at<br />

all. In fact, investigations found that 650 new<br />

homes in one region of the UK had missing, or<br />

incorrectly installed, fire barriers.<br />

Clearly, any home without fire stopping is in<br />

breach of the Building Regulations and this is<br />

very worrying. However, the fact that fire barriers<br />

had been installed but they may not have worked<br />

effectively, is just as concerning. In terraced or<br />

semi-detached properties, this increases the risk<br />

that fire could spread rapidly through roof voids<br />

from one home to the next.<br />

So why could this be happening?<br />

Fire stopping is often achieved with a flexible<br />

mineral fibre quilt or sock, but a potential fire<br />

passage still exists at the line of the roofing<br />

battens, above the rafters, which can span<br />

across the junction between properties. There are<br />

fire barrier products available on the market to<br />

close this gap, but feedback from contractors<br />

suggests that these can be<br />

bulky and difficult to install<br />

in line with the roof tiles,<br />

especially with deep profiled<br />

tiles. It is also difficult to see<br />

if the fire protection is in the<br />

correct place once the tiles<br />

have been laid. This means<br />

there is a risk that a fire<br />

barrier is present, but it may not be installed<br />

correctly, or might not be sufficient to fully seal<br />

the gap.<br />

Confidence for contractors<br />

Listening to these concerns, we decided to<br />

develop a new, easy-to-install, roof fire barrier<br />

specifically with contractors in mind. Our new<br />

Marley Roof Defence fire barrier gives contractors<br />

the confidence that it is correctly fitted and will<br />

provide full fire protection, from one roof to the<br />

next, achieving up to a 60-minute fire rating.<br />

Roof Defence features two strips of intumescent<br />

material bonded at 90 degrees, with an inverted T<br />

design, that can simply be installed under tiles<br />

and between roof battens to close all gaps in the<br />

event of fire. Whereas some other systems are<br />

rigid, Roof Defence is flexible, lightweight and is<br />

supplied on a roll, so it can easily be taken onto a<br />

roof and rolled out over the party wall. When<br />

activated by heat, the inverted T intumescent seal<br />

expands, filling the space between roofing battens<br />

and sealing all spaces under the tiles, slates, and<br />

other roofing elements.<br />

Contractors sometimes find that using a<br />

compressed mineral fibre option can affect the<br />

way the roof covering is fitted. This is because, to<br />

be securely fixed, the projecting nibs on the<br />

Left: Marley Roof Defence<br />

underside of tiles must have<br />

space to hook on the rear<br />

face of the roofing batten. A<br />

compressed mineral fibre<br />

quilt or sock occupying this<br />

space can interfere with this.<br />

It can also block important<br />

ventilation paths on large<br />

compartmentalised roofs, causing additional<br />

ventilation problems.<br />

However, Roof Defence ensures clearance until<br />

activated by the heat of a fire, so it doesn’t affect<br />

the fit of the roof covering or block ventilation.<br />

The double intumescent strip and inverted T<br />

design also make it much more effective at filling<br />

both horizontal and vertical spaces.<br />

Responsibility for correct detailing<br />

When it comes to fire stopping in the roof, often<br />

limited details are given in building regulations<br />

applications, so sometimes the responsibility is on<br />

building contractors and their sub-contractors to<br />

ensure correct detailing. Roof Defence is designed<br />

to make life easier for contractors because it<br />

removes any confusion and provides assurance<br />

that it has been fitted correctly. It has<br />

outperformed all fire testing requirements and fills<br />

every void from the party wall to the bottom tile,<br />

meaning smoke and fire cannot pass through.<br />

For ultimate peace of mind, Roof Defence can<br />

also be purchased as part of our full roof system,<br />

backed up with a free 15-year warranty.<br />

Contact Marley<br />

01283 722588<br />

www.marley.co.uk/roofdefence<br />

@MarleyLtd<br />

24 TC APRIL <strong>2021</strong>

Promoting<br />

systems-based<br />

solutions<br />

www.mcrma.co.uk<br />

For metal-based roofing and<br />

cladding systems, products and services.<br />

Representing, Promoting<br />

and Supporting<br />

• Systems manufacturers<br />

• Component manufacturers<br />

• Systems installers<br />

• Independent roofing and cladding inspectors<br />

• Industry support services providers<br />

Visit www.mcrma.co.uk<br />

to find out more about the MCRMA and its members.<br />

The ‘MCRMA The Building Envelope Authority’ is a registered Collective Trademark of the Metal Cladding and Roofing Manufacturers Association Limited.

Eaves Ventilation<br />



Some contractors may pay less attention to eaves ventilation systems when compared<br />

to roofing membranes, despite them being an integral part of a roof. Nick King,<br />

Portfolio Manager (UK) at Klober, explores why eaves ventilation systems are so<br />

important and how to avoid common installation issues.<br />

Under BS 5250 (Code of Practice for<br />

Control of Condensation in Buildings)<br />

adequate roofing ventilation is essential.<br />

It stipulates minimum ventilation requirements<br />

depending on the type of roof design. To meet<br />

these requirements, there are several ways to<br />

achieve adequate roofing ventilation.<br />

When selecting components, eaves ventilation is<br />

often overlooked because of the misconception<br />

that breathable membranes can be used without<br />

additional ventilation. However, eaves ventilation<br />

systems help prevent condensation problems,<br />

which can lead to mould or rot. To achieve<br />

optimum results, sound knowledge of how<br />

products work and should be installed is a must.<br />

Eaves ventilation explained<br />

Often used alongside other methods, such as<br />

breathable membranes, eaves ventilation is a<br />

more traditional way of ensuring continuous<br />

ventilation of the roof void; an important step for<br />

minimising condensation. The amount of<br />

ventilation required depends on the roof type and<br />

pitch, but ventilation equivalent to a 10mm<br />

continuous air gap is a common scenario for cold<br />

pitched roofs. To achieve the necessary levels of<br />

eaves ventilation, three components are required:<br />

1. Fascia vent: a ventilating unit 1m in length, fixed<br />

to the fascia to allow airflow into the roof space<br />

2. Felt support tray: protects the eaves by<br />

reinforcing the roofing membrane above it<br />

3. Roll out rafter tray: maintains a ventilation<br />

path into the roof void and prevents loft insulation<br />

from being pushed up to the underside of the<br />

roofing underlay<br />

Tips for best practice<br />

For eaves ventilation to be<br />

effective, the fascia vent, felt<br />

support tray, and roll out<br />

rafter tray must work together.<br />

In fact, Klober supports roofing<br />

installers by offering a three-in-one<br />

Eaves Vent Pack. However, correct installation is<br />

critical for these products to perform at their<br />

optimum.<br />

Klober provides training to ensure products are fitted correctly.<br />

A common error during installation involves<br />

pulling the roll out rafter tray too tightly. The rafter<br />

must be castellated to ensure adequate<br />

ventilation through the insulation into the loft<br />

space. Additionally, the drape between the rafters<br />

providing a drainage channel must be a<br />

maximum of 15mm, and membranes should not<br />

be pulled taught. Counter battens should be used<br />

where insulation or boarding doesn’t allow for<br />

this.<br />

Allowing the membrane to sag down into the<br />

guttering is another mistake but is easily avoided<br />

by stopping short of the gutter and allowing the<br />

underlay support tray to ensure safe passage of<br />

water to the gutter. Exposure like this should be<br />

Left: Nick King, Portfolio Manager (UK) at Klober.<br />

avoided because modern day membranes<br />

are not permanently UV stable.<br />

Inadequate product installation could<br />

allow water ingress from rain and snow to<br />

affect the eaves, particularly in colder weather<br />

with repeated freezing and thawing. Over time<br />

this will deteriorate the roofing system and could<br />

lead to water damage.<br />

Raising the roofing standard<br />

Although seen as a commodity, not all eaves<br />

ventilation systems have the same levels of<br />

testing, performance guarantees or<br />

manufacturer-led training capabilities. For<br />

example, a 10-year guarantee against<br />

manufacturing defects and meeting requirements<br />

of Building Regulations and British Standards are<br />

standard across the Klober range. To support<br />

roofers, Klober provides valuable practical<br />

experience fitting the products on a training rig.<br />

When selecting roofing products, the key to<br />

success is to consider the whole roof. Alongside<br />

the roofing membrane, all details including eaves<br />

ventilation systems must be quality in order to<br />

raise the roofing standard.<br />

For further information about Klober’s three-inone<br />

Eaves Vent Pack visit:<br />

klober.co.uk/product/pitched-roofing/eavesventilation/3-in-1-eaves-vent-pack<br />

Contact Klober<br />

01332 813 050<br />

www.klober.co.uk<br />

@KloberLtd<br />

26 TC APRIL <strong>2021</strong>

For fu<br />

rther inf<br />

formation<br />

or a hire quotation call<br />

Email: sales@co<br />

oker<br />

erhire.com<br />

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APRIL <strong>2021</strong> TC 27

Digital Survey Tools<br />





out a quote remotely – something that’s key in today’s uncertain times.<br />


just a postcode or address. Once you’ve<br />

ALL4ROOF<br />

more digital – we order food, clothes…<br />

pinpointed the property, you can select the roof<br />

The days of having to painstakingly visit, measure and spec out each roof for every single<br />

quote are numbered. Wienerberger’s new, free All4Roof tool lets roofers survey and send<br />

There’s no doubt that the world has become<br />

even cars online – without ever setting foot<br />

Wienerberger’s brand new digital tool,<br />

All4Roof, gives roofers the ability to survey<br />

and quote accurately, in record time,<br />

elements in All4Roof and it will automatically<br />

into a shop.<br />

measure the distances and record them for you.<br />

The days of having to<br />

From there, you simply move onto selecting the<br />

But how can the roofing trade go about taking<br />

painstakingly visit, measure<br />

right products for the project.<br />

advantage of some of the new technology that’s<br />

and all around<br />

spec us?<br />

out each roof for<br />

As long as you have the basic information to<br />

every single quote are numbered.<br />

hand, you can survey the external elements of<br />

Wienerberger’s One way is through Wienerberger’s new All4Roof<br />

brand new<br />

tool digital tool, lets All4Roof. roofers It lets survey roofers survey a roof<br />

and<br />

and quote accurately, send a in quote record time, out sometimes remotely.<br />

without even having to visit the house.<br />

And the best news? All4Roof is completely<br />

free to use.<br />

Nowadays, we do everything online As long as you have the basic information to<br />

How does – order All4Roof food, work? clothes… even cars – hand, you can survey the external elements<br />

All4Roof without uses Google ever Earth stepping as a into foundation, a shop. of the roof remotely, without ever needing<br />

Above: All4Roof – Batten distance can be manually input or<br />

So letting why you can’t find we the survey roof you roofs need online?<br />

to survey using<br />

automatically to set foot caluclated. onto the property – something<br />

that in these hard times of shielding and<br />

and sometimes without even having<br />

to visit the house. And the best news?<br />

All4Roof is completely free to use.<br />

How does All4Roof work?<br />

All4Roof uses Google Earth as a foundation,<br />

allowing you to fi nd the roof you need to<br />

survey using just a postcode or address.<br />

Once you’ve pinpointed the property,<br />

All4Roof allows you to select the roof<br />

elements and it will automatically measure<br />

the distances and record them for you.<br />

From there, you simply move onto selecting<br />

the right products for the project.<br />

Above: All4Roof – Dimensions calculated using Google maps.<br />

lockdowns may help your clients feel safer.<br />

“All4Roof brings large-company digital tools to<br />

the average roofer”<br />

Above: All4Roof – Batten distance can be manually input or automatically<br />

calculated for a variety of roof compositions using Google Maps.<br />

“You control the<br />

level of quote<br />

detail you provide<br />

to your client each<br />

and every time<br />

you send a quote.”<br />

“You control the level of<br />

quote detail you<br />

provide to your client<br />

each and every time<br />

you send a quote”<br />

the roof remotely, creating and sending a quote<br />

without ever needing to set foot onto the<br />

property.<br />

In these hard times of shielding and lockdowns<br />

this may help your clients feel safer, and it can<br />

save you time and make your service more<br />

efficient, too.<br />

All the outputs you would expect<br />

All4Roof brings large-company digital tools to the<br />

average roofer. It provides all the elements you<br />

need to survey a roof – the wind-load<br />

calculations, the fixing spec, the quantity<br />

estimate, etc.<br />

You can even choose to back it up by a 10 or 15-<br />

year manufacturer-backed RoofSpec guarantee,<br />

which will help you incentivise the client with<br />

more than just a price – you are also selling<br />

peace of mind.<br />

Define the Bill of Materials<br />

All4Roof gives you full control of deciding what<br />

elements and products you want to include in<br />

the quantity estimate.<br />

You can also add in your own products and<br />

service costs to be included in the quote that<br />

you send the customer. All4Roof lets you build<br />

your own fully customisable personal product<br />

28 TC APRIL <strong>2021</strong>

“All4Roof’s entire<br />

focus is to help you<br />

work smarter and<br />

provide a better<br />

quoting service”<br />

including your logo.<br />

library, quickly and easily adding items such as • Fully customisable professional<br />

roof windows and timber whenever you need to. terms and conditions applied to<br />

SIMPLE,<br />



Full WITH price control YOUR<br />


every quote to protect you.<br />

• Send quotes directly to clients<br />

Once you’ve created the Bill of Materials (BOM),<br />

and track to their help progress.<br />

protect you.<br />

All4Roof lets you add in your labour costs and any<br />

• Send BOMs for confirmed jobs<br />

other elements. It even keeps track of your<br />

All4Roof has been designed<br />

to merchants for easy ordering.<br />

margins before generating a quote.<br />

with you, the roofer, in mind.<br />

You This control is a tool the level designed of quote to make<br />

detail you provide Wienerberger to UK has designed All4Roof<br />

your client life easier each and and every make time you<br />

you send a quote. specifically for roofers. Its entire focus<br />

From look sending as professional out a quick as top-level possible<br />

quote to give is ato benefit you and your business,<br />

client to any a fast potential indication clients.<br />

of cost and manage so why not be part of the change?<br />

expectations, to providing a fully detailed quote<br />

for essential works that you hope to win versus<br />

another contractor – All4Roof will help you look<br />

your best in all scenarios.<br />

Everything you’d expect from a roof survey<br />

The tool comes with three standard quote<br />

All4Roof has been designed to go further and<br />

settings: low, medium and high.<br />

work harder for you, bringing large-company<br />

digital Low detail tools to is the basically average a price roofer. for All4Roof<br />

the job.<br />

provides You give all no the detail elements and no you breakdown need to survey<br />

of labour<br />

a or roof, materials. the wind-load calculations, the fi xing<br />

spec, the quantity estimate, etc. – all backed<br />

Medium detail breaks down top-level detail of<br />

up by a guarantee to seal the deal.<br />

costs such as labour, materials, scaffolding, etc.,<br />

Bill of materials? No problem<br />

All4Roof gives you full control of which<br />

All4Roof replaces Wienerberger’s previous online quoting tools and is one of<br />

the most comprehensive and advanced in the market. It has been designed<br />

Here’s how with All4Roof you, the can roofer, help:<br />

in mind, to make your life Here’s easier some and feedback make you from look roofers<br />

as<br />

• Personalised professional quotes,<br />

as possible. Here’s how All4Roof who can have help used you: All4Roof:<br />

have the option of offering a manufacturerbacked<br />

roofspec guarantee directly to the client<br />

for either 10 or 15 years. This allows you to<br />

incentivise the client with more than just<br />

a price – you are also selling peace of mind.<br />

Full control over your pricing<br />

Quoting is one of the most time-consuming<br />

but Above:<br />

essential All4Roof<br />

jobs – Variety<br />

for of<br />

roofers. compositions<br />

Doing the<br />

survey is one thing, but then you need to<br />

hand over the information to the client so<br />

elements and products you want to install, that they can react to it. All4Roof has been<br />


and you can also add your own products for designed to help you at every stage.<br />

future All4Roof use. Items has such been as designed roof windows for and<br />

roofers. Its<br />

timber entire can be focus quickly is to and help easily you added work to<br />

smarter and You control the level of quote detail you provide<br />

your provide personal a product better library, quoting and service. can be fully to your client each and every time you send<br />

“Simple, professional communication with your clients...”<br />



• You can personalise all the outputs from the<br />

Tom<br />

tool to include your logo and<br />

create your own templates simply and easily. Roofer, London<br />

• All your contact information will be stored within the tool and a suite of fully<br />

customisable professional terms and conditions will be applied to your quotes<br />

“All4Roof is very<br />

attractive to me as<br />

a roofer as it offers<br />

the option of a 15-<br />

year guarantee for all<br />

product and fixings<br />

which I can pass on to<br />

my customer for their<br />

own reassurance and<br />

peace of mind.”<br />

• Detailed visualisation tool lets you generate quotes quickly and easily for all<br />

roof shapes and extensions.<br />

• Create and store project information for all clients and prospects – you can<br />

upload and save associated documents such as plans, to keep everything in<br />

one, easy-to-access, place.<br />

• You can send All4Roof quotes directly to your clients, allowing you to track<br />

and trace your leads and follow up easily should you need to chase them.<br />

Lewis<br />

• The tool allows you to send BOMs for confirmed Roofi ng jobs contracting to your company,<br />

chosen<br />

merchants so that you can ensure you are ordering<br />

Thames Valley<br />

everything you need.<br />

“There are lots of<br />

but without the full BOM explanation.<br />

estimating tools out<br />

High there detail allows – but you to All4Roof<br />

share the full job<br />

combines an easy-<br />

BOM to-use and include estimating<br />

all your labour charges and<br />

services tool, as needed. fixing spec and<br />

guarantee all in one<br />

place. The Quote<br />

customisable, and the system remembers it for<br />

Generator is great<br />

next time.<br />

too, as it allows you<br />

to simply send a quote<br />

“All4Roof direct to the gives customer.”<br />

you full<br />

control of deciding<br />

breakdown with your client; you can share the full<br />

Whichever option you choose, your pricing is fully<br />

what For more elements information, please and visit<br />

www.wienerberger.co.uk/all4roof<br />

products you want to<br />

include in the quantity<br />

customisable at any point. Building your own a quote. From sending out a quick top-level<br />

Why not be a part of the change?<br />

commonly used product library is a simple quote to give a client a fast indication of cost<br />

way For of giving more yourself information greater and flexibility.<br />

to create your<br />

estimate”<br />

and manage expectations, to providing a fully Contact Wienerberger<br />

own account and start quoting in<br />

Backed minutes, up with simply roofspec visit: guarantee<br />

detailed quote for essential works that you hope<br />

to win versus another contractor – All4Roof<br />

www.wienerberger.co.uk/all4roof<br />

Contact @wienerbergeruk<br />

Wienerberger<br />

Once www.wienerberger.co.uk/all4roof<br />

you send over the final quote you will will help you look your best in all scenarios.<br />

www.wienerberger.co.uk/all4roof<br />

@wienerbergeruk<br />

APRIL <strong>2021</strong> TC 29

Cut to Falls Insulation:<br />


Fastener innovation is said to be helping installers to save time and money on flat roofing<br />

installation when using tapered insulation. Kevin Rackley, Product Manager for Flat<br />

Roofing Fastener Systems at EJOT UK, explains why…<br />

Carefully designed ‘cut to falls’ (tapered)<br />

insulation provides an effective way to<br />

ensure sufficient water channelling and<br />

drainage on concrete decks. This dual purpose<br />

insulation is laid over the deck to provide the<br />

necessary gradient in both new build or refurb<br />

projects, complying well with thermal<br />

requirements and effectively preventing standing<br />

water or ponding.<br />

Such is its popularity that up to a third of all flat<br />

roofs installed in the UK today use a tapered roof<br />

insulation system, partly to satisfy the needs of<br />

more complex building designs. However, the<br />

variation in the thickness across the area of the<br />

roof caused by the gradient does present<br />

challenges when it comes to installation –<br />

regardless of whether mineral fibre, EPS, XPS or<br />

PIR is being used.<br />

Until now, this has meant that when using<br />

mechanical fixings, a variety of fastener and<br />

stress plate combinations optimally suited for the<br />

respective insulation thickness are required.<br />

Furthermore, the need to source an extremely<br />

long SDS drill can also be as difficult as the<br />

physical process of drilling into concrete through<br />

this depth of insulation.<br />

The alternative for many installers is to bond<br />

tapered insulation to the concrete or screeded<br />

deck, which offers simplicity in principle, but it<br />

has its own downsides.<br />

Firstly, the feasibility of bonding is dependent on<br />

the condition of the deck. This can be a problem<br />

in refurbishment projects where conditions may<br />

vary across the area of the deck to be treated.<br />

And secondly, there is the unpredictable issue of<br />

the weather – bonding tapered insulation boards<br />

will only be possible when the weather conditions<br />

are right, so costly delays on site will result when<br />

the weather is poor.<br />

To overcome these challenges and ensure tapered<br />

insulation’s use can continue to grow, the product<br />

development team at EJOT UK has developed an<br />

adjustable mechanical fixing solution which is<br />

suitable for insulation up to 500mm deep.<br />

The EJOT UK JBS-R/EcoTek combination brings<br />

together the high performing concrete screw<br />

(JBS-R 7.5) with a high-quality telescopic<br />

tubewasher (EcoTek). This provides one single<br />

fastening system which is adjustable to fit the<br />

required depth of insulation – anything between<br />

70mm and 500mm.<br />

Using the JBS-R/EcoTek also means fewer<br />

fastener / washer combinations are needed –<br />

that can easily mean 25% fewer for a<br />

slope insulation of 120 to 260<br />

millimetres. This is subject to the<br />

application, of course, so a site<br />

survey and pull out test is always<br />

recommended for any concrete<br />

deck – best practice costs nothing.<br />

By developing an adjustable fixing solution<br />

in this way, only one embedment<br />

depth is needed whatever the<br />

thickness of the insulation. The<br />

adjustability comes through the<br />

innovative way that the EcoTek<br />

tubewasher is driven into place using<br />

a custom tool with the fastener already<br />

in place.<br />

And where the insulation is especially deep,<br />

EJOT’s flanged A-cone and extension help to<br />

eliminate the awkwardness of drilling deep using<br />

standard SDS drills.<br />

Fundamentally, with only one set embedment ever<br />

required, the JBS-R/EcoTek fastening system<br />

eliminates the need to think about the usual variety<br />

of product combinations on site, so the job can be<br />

How installation works:<br />

Tapered insulation and membranes are securely<br />

attached to the concrete deck in four stages:<br />

1. Drill a 6mm tapping hole through the<br />

membrane and insulation and into the<br />

concrete deck to a depth of 35mm.<br />

2. Insert the pre-assembled JBS-R concrete<br />

screw and EcoTek tubewasher into the hole.<br />

3. Using an extended T30 bit, drive the screw<br />

into place achieving a minimum embedment<br />

of 30mm.<br />

4. Complete the installation using the EcoTek<br />

Adjustment Tool, driving the tubewasher<br />

until a secure clamp of the<br />

membrane and insulation is<br />

achieved.<br />

Left: The JBS-R fastener is driven to one<br />

set embedment depth; Below: The EcoTek<br />

adjustment tool creates a secure fix.<br />

done easier and quicker with an all-round<br />

better result. Ordering and<br />

stockholding is simplified too when<br />

using the new EJOT product<br />

combination because there is no<br />

need to source a variety of<br />

different concrete screws and<br />

stress plates.<br />

It is a lasting solution too thanks to the<br />

quality materials used to manufacture both<br />

fastener elements. The JBS-R concrete screw is<br />

manufactured from case hardened steel and the<br />

EcoTek tubewasher is formed from high quality<br />

polyamide plastic to stand the test of time.<br />

Contact EJOT UK<br />

www.ejot.co.uk<br />

@EJOTUK_Building<br />

30 TC APRIL <strong>2021</strong>

Torch-free Zones:<br />



Roland Jackson from Soprema discusses the benefits of single-layer TPO/SBS bitumen<br />

systems when it comes to installation safety, membrane integrity and performance<br />

throughout the service life of the roof...<br />

Aroofing system that is fast to install, with<br />

simpler detailing while providing the design<br />

and performance values required by the<br />

specification has always been the ‘Holy Grail’ for<br />

roofing contractors and their supply chain partners.<br />

With an increasing focus on health and safety,<br />

safety considerations are now an important part of<br />

that ideal solution equation too.<br />

At the same time, technology and investment in<br />

new product development is allowing the roofing<br />

sector to achieve an improved service life and more<br />

consistent integrity for the roofing system with<br />

simplified installation. I believe, in all of these<br />

areas, single layer, fully-bonded TPO/SBS bitumen<br />

membranes are leading the way.<br />

Safety considerations<br />

Concerns about fire safety have prompted caution<br />

in the use of torch-applied bitumen membranes and<br />

the NFRC’s Safe2Torch Guidelines have gone a long<br />

way towards improving safety standards and<br />

addressing specifiers’ apprehension. The stipulation<br />

of torch-free zones at specification usually results in<br />

a mix of torch-on bituminous membrane for areas<br />

of the roof where it is safe to utilise hot works, and<br />

self-adhesive or bonded membranes for torch-free<br />

zones. However, if a self-adhesive or bonded<br />

system is considered the safer alternative, the<br />

question arises, why are we not using the safer<br />

alternative in all areas of the roof?<br />

The answer, of course is both cost and speed of<br />

installation. Both of these factors are obstacles to<br />

the use of two-layer self-adhesive systems across<br />

the whole roof area, because installing the system<br />

with a hot air gun to activate the tackiness of the<br />

self-adhesive can be time-consuming. On hot days,<br />

when a hot air gun is not required, the tackiness of<br />

the self-adhesive when the membrane<br />

gets warm can cause additional<br />

installation issues, because the<br />

membrane can stick to itself.<br />

In contrast, a single-layer bonded<br />

TPO/SBS bituminous membrane provides<br />

all the safety benefits of avoiding hot works,<br />

without the potential pitfalls. Faster to install<br />

without the need for an underlay and no wait time<br />

for moisture-activated adhesive to go off prior to<br />

installation of the membrane, Soprema’s Duo High<br />

Tech Aero FC bituminous membrane offers faster<br />

and easier flame-free and heat-free installation,<br />

with excellent flexibility and durability. With a 35-<br />

year BBA approval, the system also offers an A1-<br />

rated non-combustible roof build-up when<br />

combined with Soprema’s Soprawool insulation.<br />

Integrity benefits<br />

Ease and speed of installation are important<br />

factors in delivering a high-quality installation, but<br />

the long-term integrity of the roof does not depend<br />

on the skill of the roofing team alone; it also relies<br />

on the performance of the product. And in the<br />

British climate, where temperature volatility can<br />

affect the performance of some products due to<br />

conditions on the day of installation, selecting a<br />

product that offers consistent integrity is important.<br />

Temperature volatility can be an issue when using<br />

self-adhesive systems because the bond may be<br />

inconsistent due to changes in the ambient<br />

temperature during the project. Even if a hot air gun<br />

has been used to activate the adhesive during the<br />

winter months, blistering and debonding can occur<br />

as the ambient temperature warms up. This means<br />

that, though an installation may have been perfectly<br />

well finished and signed off at handover, call backs<br />

can occur due to integrity issues<br />

months later. Upstands and vertical<br />

details are particularly vulnerable in<br />

this regard as gravity is working<br />

against the bond in these areas.<br />

Conversely, a bonded system that uses a<br />

less temperature-sensitive adhesive will provide<br />

a consistent bond across the roof and throughout<br />

the service life of the installation. At Soprema, we<br />

recommend that our single-layer TPO/SBS<br />

bituminous membrane is installed on flat surfaces<br />

in combination with one of our liquid systems for<br />

the vertical details, as this reduces complexity,<br />

speeds up installation and underpins improved<br />

integrity. It also provides BBA-accredited<br />

compatibility and performance and a single point<br />

warranty.<br />

Change driven by technology<br />

Bitumen has always been the default option for<br />

hardwearing, cost-effective roof installations and it<br />

still offers a robust solution. But the way buildings<br />

are designed and constructed and factors such as<br />

safety, sustainability and service life are all<br />

influencing evolving product choices.<br />

The good news is that roofing technology is keeping<br />

pace with changing specifier expectations. Singlelayer<br />

bonded bitumen systems can provide ease of<br />

positioning, flexibility, durability, compatibility and<br />

speed and ease of installation, giving them the<br />

benefits of bitumen with the installation advantages<br />

of single ply. With so many benefits, how long will<br />

torch-on and heat activated bitumen systems<br />

continue to dominate the market?<br />

Contact Soprema<br />

www.soprema.co.uk/en<br />

@SopremaUK<br />

32 TC APRIL <strong>2021</strong>

Hot Melt Systems<br />


Paul Jacobs, SIG Design & Technology’s Training and Installation Manager, takes a look<br />

at hot melt waterproofing systems and explains what they are, when you should choose<br />

them for your project and what to consider when installing the membrane.<br />

With a successful track record dating<br />

back more than 50 years, the demand<br />

for hot melt membranes has grown<br />

significantly in recent years. Not every membrane<br />

is suitable for every application, but hot melt<br />

systems have developed an enviable reputation<br />

as a strong and robust product and are an ideal<br />

solution for high trafficked areas.<br />

What is hot melt?<br />

Classed as a liquid, hot melt systems are heated<br />

before applying directly to the deck in two nominal<br />

layers of 3mm with a reinforcement layer in<br />

between. Offering the same benefits as a coldapplied<br />

liquid, the system adheres to the structure<br />

to create a seamless layer that removes the risk of<br />

lap failures or water tracking if damaged.<br />

It is the reliability of the membrane that makes it<br />

stand out from most other waterproofing systems.<br />

Offering the same strength as a felt membrane,<br />

hot melt is more cost effective and easier to<br />

install. However, without the aesthetic values of<br />

say a single ply membrane, it is usually specified<br />

for covered balconies, inverted and green roof<br />

systems.<br />

A problem solving membrane<br />

Where hot melt really come into its own is the<br />

problem-solving nature of the membrane.<br />

Some hot melt membranes have been BBA<br />

certified as suitable for zero falls. Be aware that<br />

to comply with British Standards BS 6229:2018,<br />

when using a zero-fall product the roof should be<br />

designed as low as 1:80 and a structural survey<br />

for deflections and low points should be carried<br />

out.<br />

The majority of failures to any roof waterproofing<br />

system are due to physical damage to the<br />

waterproofing material or the inability to<br />

successfully waterproof difficult<br />

detail areas. The self-healing<br />

properties and liquid nature of<br />

hot melt makes it an ideal<br />

solution for detailing<br />

upstands, penetrations, pitch<br />

pockets and structural<br />

connections. For example,<br />

installing rooftop plant can be<br />

problematic due to the risk of cold bridging. With<br />

a hot melt inverted roof, a floating concrete plinth<br />

can be installed onto a drainage layer which is<br />

above the Water Control Layer and insulation.<br />

After installing the protection layer above the<br />

waterproofing, hot melt can be immediately walked<br />

on enabling construction programmes to remain on<br />

track. The system can also be installed within a<br />

wide ambient temperature range even as low as<br />

-18 Celsius if the surface is dry and frost free.<br />

What to be aware of<br />

Although hot melt systems are incredibly easy to<br />

install, the correct preparation and installation<br />

techniques will provide a successful outcome.<br />

The membrane is heated with a melter machine<br />

to maintain a constant temperature of the<br />

product, approximately 160-180ºC. The health<br />

and safety of installers is a key consideration and<br />

we would always recommend undertaking<br />

training in the system. Contractors will also need<br />

to factor in adequate roof access to get the<br />

machine on the roof and adequate storage space.<br />

Preparation of the surface is essential to the<br />

success of the product. Hot melt systems are<br />

suitable for most substrates but may require a<br />

suitable primer or, in the case of metal<br />

substrates, a timber overlay. The substrate must<br />

be level and suitably prepared before starting<br />

work, with joints either filled or taped to create a<br />

Left: Paul Jacobs, SIG Design & Technology.<br />

smooth surface.<br />

Always carry out a peel test to<br />

confirm suitability of the deck<br />

and ensure the hot melt will<br />

adhere satisfactorily. If the<br />

substrate is of poor quality or<br />

there are bonding issues, you will need<br />

to apply a proprietary screed – sand and cement<br />

screeds are not recommended.<br />

Check that the deck can support the weight of the<br />

inverted roof system. The minimum ballast weight<br />

needed to hold down the insulation is 80kg per<br />

square metre. Speak to your supplier to make<br />

sure the roof has been designed to incorporate<br />

adequate drainage, overflow and consider<br />

thermal requirements and wind conditions.<br />

Get advice!<br />

There is never a ‘one size fits all’ solution when<br />

choosing the correct membrane for your project.<br />

System choice always comes down to a<br />

combination of design criteria, performance<br />

requirements and cost, and it’s important to find<br />

a balance of all three. Get impartial advice on<br />

what is the best matched solution for your<br />

client’s brief!<br />

Design Accredited Contractor scheme: SIG Design &<br />

Technology offers a complete and impartial roof design and<br />

supply service for both new build and refurbishment<br />

projects, including flat roofing. Our technical team works<br />

closely with architects and contractors to provide unique,<br />

tailor-made solutions that are guaranteed. Our Design<br />

Accredited Contractor scheme (DATAC) have an on-going<br />

relationship with the products they work with and are<br />

supported on site to deliver high quality projects.<br />

Contact SIG Design & Technology<br />

01509 505714<br />

www.singleply.co.uk<br />

34 TC APRIL <strong>2021</strong>

Advertorial: Whitesales<br />


We’re sorry to disappoint but ‘Whites Ales’ isn’t going to be available anytime soon…<br />

however, you can get your hands on a branded Whitesales beer glass plus some other<br />

great prizes!<br />

The play on words maybe a light-hearted<br />

introduction to the Whitesales new branding<br />

– but the message behind the bold, fresh<br />

look is anything but. Our new branding expresses<br />

the strong, forward-thinking approach that we take<br />

and is at the heart of Whitesales’ overall identity.<br />

Chester White, Managing Director at Whitesales,<br />

explained: “This new brand identity reflects the<br />

direction, evolution and future focus of our<br />

business. It marks another major milestone in our<br />

over thirty-year history”.<br />

The fresh, modern brand colours bring the<br />

distinctive and eye-catching Whitesales ‘W’ to life<br />

– with this new mark featuring strongly<br />

everywhere you see us.<br />

The strapline development was also carefully<br />

considered. Looking to avoid a clichéd statement<br />

to ensure that it truly resonated with customers,<br />

the simplicity and power of the two words were<br />

what resonated with our team and what they<br />

want for our customers the most. “Our overall<br />

brand proposition reflects what our customers<br />

value”, said Chester, “a manufacturer with the<br />

depth of experience to meet their needs, marketleading<br />

products and service – and a customercentric<br />

approach to ensure our customers can<br />

experience something brighter, every time”.<br />

We’ve consistently refreshed and rejuvenated our<br />

brand over a long history – and it has delivered<br />

success. We’re on a constant drive to be agile in<br />

an ever-changing market, responding to<br />

customers’ needs and developing both highquality<br />

products and digital innovation to support<br />

customers. It’s reflected in one of our values:<br />

improve everything.<br />

Another core value for Whitesales is to<br />

ensure the highest levels of safety. Our<br />

advice is simple: safer is better.<br />

The brand launch kicks off a larger campaign<br />

focusing on glass specification for rooflights and<br />

flat roof windows. The ‘What’s in your glass?’<br />

campaign will focus on education around<br />

specification, testing and safety. The need for<br />

transparency and accuracy in product information<br />

has never been more apparent, as the<br />

construction industry in general looks to overhaul<br />

product data integrity.<br />

With the drive to require laminated inner panes<br />

on glass rooflights for safety reasons, it is<br />

important that professionals in the industry<br />

understand CWCT testing criteria, the principles<br />

of non-fragility and why choosing a Class 1 rated<br />

product is the safest choice.<br />

Look out for ‘Whitesales Winsdays’<br />

starting in June<br />

To further promote the campaign, Whitesales will<br />

be running a prize giveaway every ‘Winsday’ from<br />

June 2nd until August 25th. Tying into the social<br />

media hashtag of #WednesdayWisdom, posts<br />

will include technical guidance and insights – as<br />

well as a chance to win some great prizes from<br />

vouchers to tools, and maybe even some beer!<br />

Contact Whitesales<br />

01483 917580<br />


MEET OUR<br />


NEW BRAND.<br />




We’re delighted to be celebrating our ‘refreshing’ new<br />

look. Want more in your glass? Discover why we’re in<br />

a glass of our own. Okay, you get the idea ... cheers!<br />


whitesales.co.uk | sales@whitesales.co.uk | 01483 917580

Traditional and modern gutters, pipes and hoppers come in<br />

a comprehensive range of aesthetic styles, materials and<br />

colours to suit all buildings and budgets.

A style and colour<br />

to suit your plans...<br />

...as well as your budget<br />

For more information please call 0113 279 5854<br />

or email sallyann@rainguard.co.uk<br />

www.rainguard.co.uk<br />

Your choice<br />

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Roof Hatches<br />



Tony Stevens, Technical Estimator at Bilco UK, discusses which factors should be taken<br />

into consideration when selecting Roof Access Hatches:<br />

1Purpose for access: Whether for the<br />

education, healthcare, leisure or<br />

commercial sectors, roof access hatches<br />

are required to provide permanent and secure<br />

access to the roof area. In order to make sure<br />

you’re choosing the correct system to meet your<br />

project’s unique requirements, you must first<br />

identify the main reason for requiring access to<br />

the roof.<br />

Is it purely for maintenance reasons? Or will a<br />

safe means of access also be required for the<br />

regular installation or removal of equipment from<br />

the roof?<br />

Here you should also identify what tools and<br />

equipment will need to be<br />

transferred through the access<br />

hatch, or whether it will just<br />

be the individual<br />

themselves that is<br />

conducting the necessary<br />

work.<br />

2Frequency and<br />

product specification:<br />

Once you have established your<br />

reason for requiring safe access to the roof, you<br />

will then be able to make an informed choice<br />

regarding which roof access hatch and<br />

corresponding ladder system is best suited to<br />

meet the needs of your project.<br />

It is important to specify the correct Roof Access<br />

Hatch and Ladder combination to ensure that<br />

access from the ladder, through the roof access<br />

hatch, is as safe as possible.<br />

For example, a small roof access hatch should be<br />

accessed via a fixed vertical ladder, which is also<br />

the most suitable option for projects where space<br />

is limited. Alternatively, if you use<br />

a companionway ladder or a<br />

retractable ladder, the roof<br />

access hatch length must be<br />

extended to around 1500mm<br />

in order to provide for easy<br />

and safe access.<br />

However, here it should be noted that<br />

a minimum head clearance of 120mm is<br />

required and that the maximum single climb is<br />

no more than three metres, in accordance with<br />

BS4211-7.2.<br />

Regardless of the size of the roof access hatch,<br />

the system should be operated easily and<br />

safely with one hand, in accordance<br />

with the requirements outlined<br />

within the Manual Handling<br />

Regulations, enabling the<br />

individual to maintain three<br />

points of contact with the<br />

fixed ladder.<br />

During the installation<br />

process, the ladder must be<br />

positioned opposite the hinge to ensure<br />

safe and unobstructed access.<br />

If access to the roof is required on a regular basis<br />

for professionals that will have to transfer tools<br />

and equipment through the hatch, a Fixed<br />

Staircase Roof Access Hatch, also known as a<br />

Service Stair Roof Access Hatch, should be<br />

specified with a Companionway Ladder or a Fixed<br />

Staircase.<br />

It should here be noted that the roof hatch must<br />

be sufficient to maintain a head clearance of<br />

2000mm, as detailed in Building Regulations<br />

Part K.<br />

3Bespoke requirements:<br />

To ensure all the criteria<br />

are successfully met, you<br />

should also consider whether<br />

a custom made roof access<br />

hatch should be chosen to<br />

ensure each of these areas is<br />

adequately fulfilled.<br />

This includes options such as Bilco UK’s SKY<br />

Flatglass, which functions as both a Roof Access<br />

Hatch or a Smoke Ventilator, and is supplied with<br />

a clear, translucent lid to enable natural daylight<br />

into specific areas of the building, without<br />

impeding the functionality and accessibility of the<br />

hatch.<br />

Increased access opening sizes or double leaf<br />

configurations should also be explored where<br />

access is required for larger items of equipment<br />

or tools. Motorised options also allow the<br />

individual to safely maintain contact with the<br />

ladder when entering or exiting the hatch.<br />

By working closely with a manufacturer at the<br />

initial stages of a project, you can ensure that<br />

each of these important factors have been<br />

adequately considered and catered for.<br />

Regardless of the project type, all installations<br />

should be subject to individual Risk Assessments.<br />

Comprehensive training should also be provided<br />

for all professionals, supported by Method<br />

Statements regarding safe and correct use of the<br />

access solutions installed.<br />

Contact Bilco UK<br />

01284 701696<br />

www.bilcouk.co.uk<br />

40 TC APRIL <strong>2021</strong>


THER<br />




F or<br />

more<br />

information visit:<br />

www.nortonabrasiv<br />

es.com<br />

01785<br />

279553<br />

@nortonabrasives<br />

suk<br />


WE’RE<br />

ALL EARS<br />

Now more than ever, whatever you need<br />

from technical advice to the latest products<br />

to provide ventilation solutions for your roof<br />

design, we’re here for you. Just ask.<br />

call us: 01327 701910<br />

www.hambleside-danelaw.co.uk<br />


APRIL <strong>2021</strong> TC 41

Roofing Updates<br />



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

SSQ’s Riverstone phyllite has been used to<br />

outstanding effect on a multimillion-pound<br />

residential development in Limehouse,<br />

East London.<br />

The Copenhagen Place project has seen a stretch<br />

of canal-side East London transformed into a<br />

luxurious housing complex, consisting of 45<br />

individual dwellings spread across a number of<br />

five and seven-storey apartment buildings – all<br />

of which were roofed with 60x30 Riverstone<br />

Ultra. A collaboration between architects<br />

Stockwell and Bellway Homes, the £10m<br />

development required a roofing material that<br />

didn’t just offer great aesthetics, but robust,<br />

long-lasting performance, too.<br />

“Phyllite isn’t as well known as slate, but among<br />

architects and developers, it’s one of the most<br />

sought-after roofing materials in the world,”<br />

explained Dora Kotzeva of SSQ. “Subject to<br />

intense heat and pressure underground,<br />

phyllite’s clay content breaks down and forms<br />

mica instead – which results in an unmistakable<br />

grey-green colour, and its signature ‘phyllitic<br />

sheen’. Those same geological processes also<br />

make phyllite products like SSQ’s Riverstone<br />

extremely strong and weather-resistant. One of<br />

Riverstone’s greatest advantages is that it<br />

retains its strength even when split extremely<br />

thin, and demonstrates very low water<br />

absorbency – both of which were key reasons it<br />

was specified on the Copenhagen Place project.”<br />

www.ssqgroup.com<br />

Everbuild, a Sika company, has updated its range of roofing products, combining a fresh<br />

new look with the same tried and trusted formulation for reliable results every time.<br />

The new packaging design has been introduced across several product lines including the full<br />

Black Jack range of bitumen roofing coatings and flashing tapes, Everbuild Liquid Roof,<br />

Evercryl One Coat and Evercryl Emergency Roof Repair. The new-look products will be rolled<br />

out throughout the year.<br />

Comprising a comprehensive mix of bitumen paints, adhesives and primers as well as<br />

flashing tape, the Black Jack brand is ideally suited for a variety of jobs. Commenting on the new rebrand, Emma Taylor, Product Manager at Everbuild,<br />

said: “Our trade customers can still rely on our products to be great to use and to give a high-quality finish but by giving the full range a new look, we<br />

hope we have also made it easier for trade professionals to find what they need. The redesigned packaging is professional, easily recognisable, gives<br />

clear product information and looks great both on the shelf and in the back of the van.” www.everbuild.co.uk/roofing<br />


Mobilane has joined the Green Roof Organisation (GRO) as a supplier member.<br />

As long-term pioneers in the development of green roof technology and products with their MobiRoof green roof<br />

systems, Mobilane is pleased to be able to support the organisation as, together, they look to encourage the<br />

retrofitting of green roofs to existing buildings as well as promoting installations of high quality green roofing in every<br />

city and town. GRO represents all elements of the UK green roof industry including specialist contractors, suppliers,<br />

other trade bodies, NGOs, ecologists, architects and designers.<br />

Aligned with Mobilane’s own aims, GRO seeks to increase green roof use and development and the awareness of all the potential gains a green roof can bring in<br />

biodiversity, rainfall management and aesthetic appeal. Alongside representatives from the National Federation of Roofing Contractors (NFRC), the Liquid<br />

Roofing and Waterproofing Association (LRWA), the Single Ply Roofing Association (SPRA) and British Association of Landscape Industries (BALI), Mobilane will<br />

actively participate in technical committees and events to help extend the reach of the green roofing industry. This will include input and involvement in the<br />

updated edition and commitments within the GRO Code, an important reference document for all in the industry. www.mobilane.com/en/<br />

42 TC APRIL <strong>2021</strong>


Sika has launched Sikalastic-652N, an<br />

Thanks to these benefits, the waterproofing<br />

upgraded version of one of its most popular membrane is capable of curing in a wide<br />

liquid-applied single-component polyurethane range of conditions, making it ideal for use<br />

waterproofing membranes, Sikalastic-625. in the unpredictable UK climate. Application<br />

is quick, easy, and will not be delayed by<br />

This versatile, durable cold-applied membrane is<br />

adverse weather, which is a huge benefit for the<br />

used up and down the UK in a range of flat roof<br />

specifier, contractor and client.<br />

applications, from industrial and commercial roofs<br />

to balconies and walkways. The new and improved Gavin White, Marketing and Product Manager at<br />

Sikalastic-625N incorporates Sika’s patented i- Sika Roofing, said: “We’re excited to be able to offer<br />

Cure Technology, an enhanced chemistry that gives our customers the benefits of our exclusive new i-<br />

the product greater temperature stability, extended Cure Technology with the launch of Sikalasticshelf<br />

life and improved workability.<br />

625N. It delivers a whole host of performance<br />

enhancements while maintaining the trusted<br />

weather resistant waterproofing properties of its<br />

predecessor. Our aim isn’t just to pioneer new<br />

market-leading technologies, but also to<br />

continually improve existing ones – especially<br />

those that are already loved by our customers.”<br />

www.sika.co.uk/roofing<br />


The Coroverge Universal Dry Verge system is a proven dry fix roofing solution from Ariel Plastics that<br />

is fast, easy-to-fit and fully compatible with an expansive range of roof tiles.<br />

Developed and designed for ease of installation, the Coroverge Universal Dry Verge system provides a neat<br />

mortarless finish at roof verges on new build and retrofit projects. The system is a 100% mortar-free, dry fix<br />

solution, offering a hard-wearing, durable and attractive finish to the roofline without the inconvenience of using mortar bedding. Manufactured from<br />

lightweight, modern plastic materials that are easy-to-install and weather-resistant, the Coroverge Universal Dry Verge system protects the roof verge<br />

from wind uplift, pest infestation and weather degradation in accordance with BS 5534. Available in Brown, Anthracite Grey and Terracotta, this allweather<br />

system includes Starter Piece, Verge Section, Batten Clip, and Angled and Half-Round Ridge Caps options to suit the ridge style. Fully adjustable<br />

for installation with tiles of between 260mm-350mm gauges, the Coroverge Universal Dry Verge system is quick and easy to install, and offers a wealth<br />

of features so that installers can fit with confidence, giving a more superior dry verge solution for both new build and renovation projects.<br />

An installation video available at https://www.arielplastics.com takes installers through the process of installing the dry verge system.<br />


Rainclear Systems, the UK’s leading stockist and online retailer of metal rainwater, roofline and<br />

drainage solutions is now also offering contemporary Aluminium Canopies, Wall Coping and<br />

Windowsills on its website in 26 Standard RAL colours.<br />

To celebrate, Rainclear is giving one lucky winner an Anthracite Grey 1000mm Kensington Canopy in <strong>April</strong>. Just send<br />

Rainclear Systems your esig with your contact details – (address below) – in <strong>April</strong> to be entered into the draw!<br />

Anthony Hitchman, Rainclear Systems’ Managing Director, explained: “We already offer the Aluminium Rainwater<br />

systems from Alumasc and these Skyline branded Canopies, Coping and Cills come from the same manufacturer,<br />

who has over 50 years experience and investment in technology and talent to produce quality aluminium products<br />

with excellent mitre and weld finishes, and a BBA approved powder coating system to ensure the products and the<br />

colour coating lasts 25-40 years, with very little maintenance depending on the environment they end up exposed<br />

to.” Email: sales@rainclear.co.uk or visit www.rainclear.co.uk/<br />

APRIL <strong>2021</strong> TC 43

Comment<br />



Gillian Thomson, of MSP Facade Solutions, says an overly-cautious approach to<br />

specification is adding unnecessary cost, complexity and time to construction projects.<br />

Total Contractor hears more…<br />

There’s an old proverb about the road to hell<br />

being paved with good intentions. And<br />

that’s certainly one way to sum up the<br />

state of the cladding sector in <strong>2021</strong>. Granted, the<br />

wholesale shift to non-flammable, certified<br />

cladding products is laudable in the wake of the<br />

Grenfell Inquiry. The industry needed to jettison<br />

the cowboy operators and regain trust – and I<br />

believe it has achieved that. However, has the<br />

pendulum swung too far in the other direction? In<br />

my experience it has, with architects and<br />

developers – possibly driven by<br />

insurers – pushing an ‘A1 only’<br />

specification policy when it<br />

comes to facades and<br />

cladding.<br />

While this approach may<br />

sound fine in principle, in<br />

practice such a risk averse<br />

ethos is causing ructions that<br />

reverberate right across the construction<br />

supply chain.<br />

Let’s take the example of the coated aluminium<br />

cladding sector, which provides a range of tough<br />

and colourful facades to schools, universities and<br />

hospitals as well as office and residential<br />

developments across the UK. Traditionally, the<br />

industry – of which we are a part – has employed<br />

PPC powder coatings to achieve a wide range of<br />

colours and textures on solid, non-flammable<br />

aluminium cladding. Working with partners such<br />

as Akzo Nobel and Axalta Powder Coatings<br />

(formerly DuPont Powder Coatings), we can<br />

achieve proven, consistent, Qualicoat-accredited<br />

coatings that are all A rated when it comes to fire<br />

rating performance.<br />

Gillian Thomson, MSP Facades, feels “the pendulum has<br />

swung too far in the other direction” with architects and<br />

specifiers pushing for A1 only specification when it comes to<br />

facades and cladding.<br />

The problem arises when wellmeaning,<br />

but possibly poorly<br />

informed architects and<br />

specifiers stipulate the use<br />

of A1 rated cladding on<br />

projects, without fully<br />

considering the implications<br />

of the addition of the number<br />

1 after the letter A. It’s a tiny,<br />

yet vital, change that has<br />

fundamentally changed the dynamics of the<br />

sector. In practice, this shift from ‘A rated’ to ‘A1<br />

only’ has prompted cladding manufacturers to<br />

experiment with alternative coating techniques<br />

such as PVDF, an electrostatic liquid spray<br />

method using polyvinylidene fluoride.<br />

While there is nothing intrinsically wrong with<br />

PVDF compared to traditional PPC coatings, it’s<br />

important to note that both techniques produce<br />

an A-rated cladding solution. However, in practice<br />

we have seen that contractors have been tripped<br />

up by the long lead times associated with some<br />

PVDF products, which are also limited to<br />

minimum order quantities.<br />

This challenge of minimum order quantities can<br />

“We’re encouraging<br />

contractors to have the<br />

confidence to push<br />

back on potentially<br />

misinformed cases of<br />

over-specification”<br />

create unexpected colour matching issues – and<br />

significant costs – if additional panels need to be<br />

manufactured after the initial batch run. We’ve<br />

seen several contractors getting burnt when<br />

damaged panels have necessitated a new<br />

production run, which has been unable to match<br />

the previous colour or textural quality exactly.<br />

We have definitely seen a tendency for developers<br />

to over-specify cladding on certain projects –<br />

which has created complexity and costs that were<br />

simply not necessary. We’re advising our<br />

customers to take care when faced with<br />

specifications that are unrealistic or frankly<br />

unnecessary. There is a kneejerk reaction to err<br />

on the side of caution as the industry regains<br />

credibility and trust – but adopting new materials<br />

brings with it new challenges. We’re encouraging<br />

contractors to have the confidence to push back<br />

on potentially misinformed cases of overspecification.<br />

While this does require a good level<br />

of technical and commercial understanding,<br />

raising the issue could keep the project on track,<br />

within budget and most importantly safe.<br />

Contact MSP Facade Solutions<br />

www.mspcladding.co.uk<br />

01236 729591<br />

44 TC APRIL <strong>2021</strong>

Fasteners & Fixings:<br />



Today’s construction projects have a lot to live up to. They need to come together quickly,<br />

meet strict quality standards and offer longevity, all while meeting exacting design<br />

specifications. To achieve this, every little detail must be carefully considered, including the<br />

fasteners and fixings that hold the building envelope together, according to Neil Kirwan,<br />

Specification Manager at SFS UK.<br />

Project Speed<br />

In summer 2020, the prime minister launched<br />

what he called the Project Speed taskforce,<br />

designed to expedite and improve the delivery<br />

of infrastructure. While the changes will<br />

inevitably encompass reforms of everything from<br />

regulations to procurement and planning, it is<br />

anticipated that they will accelerate delivery of<br />

infrastructure projects by up to a third, putting<br />

pressure on contractors to work at pace.<br />

“Taking the time to<br />

focus on detail in the<br />

early phases can allow<br />

project managers to<br />

deliver much faster<br />

overall”<br />

At SFS, we firmly believe that the key to success<br />

lies in preparation, especially when the heat is on<br />

to deliver quickly. Taking the time to focus on<br />

detail in the early phases can allow project<br />

managers to deliver much faster overall.<br />

Forethought, not afterthought<br />

As with many things in life, well-planned projects<br />

minimise the chance for errors to occur during<br />

construction, which can be costly to rectify<br />

further down the line.<br />

Building envelopes, brackets and subframe<br />

systems need to be considered carefully in order<br />

to withstand whatever the elements throw at<br />

them. Fasteners and fixings – the very<br />

components that hold the fabric of<br />

a building together – can directly<br />

impact the performance,<br />

lifespan and thermal efficiency<br />

of the structure.<br />

Despite this vital role, fasteners are<br />

not specified until Stage 4 in the RIBA<br />

plan of works. In many cases, they can often be<br />

the subject of ‘corner cutting’ – directly affecting<br />

the total cost of ownership and operation of the<br />

building. The same can be said for<br />

refurbishments and renovations of existing<br />

structures, whether due to a change in use,<br />

improvements in aesthetics or a need to improve<br />

their structural performance and thermal<br />

efficiency. With the right specification from the<br />

outset, these issues can be avoided, ensuring<br />

that the building envelope remains robust over<br />

the system’s service life.<br />

Specifying the right components:<br />

five key principles<br />

There are five principles of fasteners: durability,<br />

weathertightness, airtightness, aesthetics and<br />

structural performance. Failure of the fastener to<br />

satisfy these functions may lead to the inevitable,<br />

and sometimes catastrophic, failure of the<br />

system. The key is selecting the appropriate<br />

fastener and then ensuring that the specification<br />

is not deviated from.<br />

Left: Neil Kirwan, Specification Manager at<br />

SFS UK.<br />

“Fasteners and<br />

fixings can<br />

directly impact<br />

the performance,<br />

lifespan and thermal<br />

efficiency of the<br />

structure”<br />

There are a multitude of fasteners available on<br />

the market, each one designed for a particular<br />

use. These include self-drilling fasteners, selfcoring<br />

fasteners, self-threading fasteners and<br />

clamping fasteners – all of which are<br />

specifically designed to simplify installation on<br />

site.<br />

To avoid failure of a fastener or fixing component,<br />

the building function, environment, type of<br />

fastener and its material must be considered<br />

early on in the design phase. For example, when<br />

specifying components in coastal areas, due care<br />

and attention needs to be given to the humidity<br />

and corrosive salt-content in the air. Whilst<br />

surface coatings can be applied to prolong a<br />

fastener’s life, best practice is to use austenitic<br />

stainless steel fasteners in combination with<br />

galvanised steel purlins to avoid bi-metallic<br />

reactions.<br />

Specification: an exact science<br />

It isn’t just the external environment of a building<br />

that impacts how fasteners should be specified –<br />

the building’s use can have implications too. With<br />

product innovation and knowledge key to ensuring<br />

Continued on page 46<br />

APRIL <strong>2021</strong> TC 45

Fasteners & Fixings:<br />

Continued from page 45<br />

the right solution, suppliers should work<br />

alongside project managers to offer training and<br />

bespoke advice, from concept through to<br />

completion. This was certainly the case for Centre<br />

Parcs’ refurbishment of their Longleat Forest site,<br />

which houses a subtropical swimming pool and<br />

restaurant facilities (see opposite page).<br />

To ensure the fastening system could withstand<br />

the chlorinated environment of the pool areas, SFS<br />

worked closely with the contractors and project<br />

engineers to specify TDA-S and TDB-S, R5 (EN<br />

1.4547) grade stainless steel fasteners. Super<br />

austenitic R5 grade stainless steel fasteners were<br />

also specially developed for the project to provide<br />

added protection against stress corrosion.<br />

While the internal and external environment are<br />

key to specifying the right product for the job, the<br />

lifecycle of the components and total cost of use<br />

must also be considered. As the old adage goes,<br />

if you buy cheap, you’ll buy twice – and this is<br />

almost certainly true of fasteners and fixings.<br />

Above: SFS’ NVELOPE NV1 vertical cladding system was used in the refurbishment of Shakespeare House, Hackney.<br />

Energy efficiency<br />

Specifiers also need to consider how building<br />

envelopes impact energy usage. As part of this<br />

process, there’s a need to identify areas where<br />

there are opportunities for reducing energy<br />

consumption, in line with Part L2 of the<br />

Building Regulations.<br />

When refurbishing Shakespeare House in Hackney,<br />

BPTW Architecture and Paneltec Services Ltd<br />

opted to install SFS’ NVELOPE NV1 vertical<br />

cladding system. In doing so, they were able to<br />

Thermal<br />

Perfor<br />

mance<br />


convert a low-quality housing block into a modern<br />

apartment building, complete with a contemporary<br />

feel and improved energy efficiency.<br />

As well as being designed for concealed fix and<br />

structural bonding applications, the system is<br />

designed to allow expansion and contraction of the<br />

cladding when under strain from arduous weather<br />

conditions.<br />

Project Builder, SFS’ planning and<br />

design system, creates a<br />

bespoke solution, ensuring<br />

that the facade, fasteners<br />

and fixings are paired<br />

with the right brackets<br />

and subframe systems to<br />

offer installation and energy<br />

efficiencies.<br />

Speed and efficiency –<br />

a winning combination<br />

While the heat is on to increase the pace at which<br />

Above: SFS offers a range of fixing solutions for roofing and<br />

cladding projects. Below: Centre Parcs’ Longleat Forest Site.<br />

we construct new buildings, quality,<br />

thermal efficiency,<br />

sustainability and longevity<br />

must remain at the heart<br />

of the process.<br />

Building envelopes,<br />

including the oft-neglected<br />

fasteners and fixings, must<br />

be considered much earlier in<br />

the plan of works, well thought out<br />

and properly specified, tapping into the<br />

latest technologies and product innovations. By<br />

embracing this much needed attention to detail,<br />

Shakespeare House, Hackney.<br />

the industry can achieve the goal of faster<br />

construction and create buildings that are<br />

designed for the present but built and secured for<br />

the future.<br />

Contact SFS<br />

www.uk.sfs.com<br />

0330 0555 888<br />

The effects of rainscreen subframe<br />

systems on the overall thermal<br />

performance of external walls<br />

At SFS, we have developed a whitepaper that explores the<br />

effects of rainscreen subframe systems on the overall thermal<br />

performance of external walls, the specification process, and<br />

unique solutions to reduce heat loss through the building<br />

envelope.<br />

www.uk.sfs.com<br />

Download our FREE<br />

Whitepaper today...

Opinion<br />


COVID-19 has affected the delivery of training across all areas of the construction industry,<br />

including the roofing and cladding sectors. Now, according to Andrew Thomas, Commercial<br />

Manager at the Construction Fixings Association (CFA), it’s time to learn from the challenge<br />

and to begin tailoring training programmes accordingly. In this article, he discusses how he<br />

feels we can ensure this happens…<br />

Many roofing and cladding contractors are<br />

starting to see a return to normalcy<br />

following the disruption of COVID-19.<br />

However, for the industry to fully rebound, it’s<br />

essential that those in the trade learn important<br />

lessons from this difficult moment. For training<br />

providers, the disturbance has highlighted the need<br />

to adopt alternative means of up-skilling, including<br />

placing a greater emphasis on digital resources.<br />

Failing to embrace this change could exacerbate<br />

long-standing issues, such as the skills shortage.<br />

Prior to the pandemic, the UK construction industry<br />

has long faced serious issues, which threaten its<br />

future viability as a competitive sector. Most<br />

notably, the workforce is ageing, with over 20% of<br />

UK tradespeople being over fifty and with nearly<br />

15% being in their sixties. At the same time,<br />

YouGov Omnibus research highlights that only 3%<br />

of young people aged between 18 to 24 have<br />

searched for a job in the construction industry. As<br />

such, the sector faces a significant demographic<br />

challenge, which it must look to urgently address.<br />

Unfortunately, the COVID-19 pandemic has<br />

interrupted many efforts to do so. Over the past<br />

year, the roofing and cladding sector – like the<br />

rest of the industry – has been forced to focus its<br />

attention and resources into remaining compliant<br />

with new measures, as opposed to ramping up<br />

training. Together, the economic realities of the<br />

pandemic, as well as the loss of industry focus<br />

on training through this period has worsened the<br />

skills shortage. To this end, we must now<br />

prioritise a return to pre-pandemic training<br />

objectives, alongside a more modern approach.<br />

By undertaking this change and by incorporating<br />

some lessons learnt through<br />

the COVID-19 crisis, the<br />

construction industry can<br />

put itself in a better position<br />

than ever to tackle this longterm<br />

problem. If nothing else,<br />

the pandemic has highlighted<br />

the urgency with which traditional<br />

construction teaching methods need to be<br />

updated. In particular, the limitations imposed on<br />

classroom learning environments, as well as the<br />

rise of social distancing policies has increased the<br />

need to move education resources online.<br />

Unlike traditional methods, digital learning<br />

platforms are accessible even amidst a crisis.<br />

What’s more, such programs can be scaled to<br />

suit companies of all sizes and tailored to<br />

address different areas within the sector.<br />

Additionally, in my view, information delivered via<br />

online platforms is comparatively more engaging,<br />

with a greater emphasis placed on utilising visual<br />

elements. In turn, this engaging content often<br />

appeals more to younger people, which the sector<br />

needs to attract. Finally, with many construction<br />

jobs now requiring digital skills, e-learning<br />

platforms can offer a valuable tool to provide<br />

digital up-skilling to staff at all levels.<br />

At the CFA, we’re already working to embrace this<br />

change. In particular, we’re proud to have recently<br />

launched our new e-learning platform. The online<br />

service incorporates all of the elements covered in<br />

our live training courses, which are fully in line<br />

with the requirements of BS8539:2012. So far, we<br />

have added two courses to the platform: Installer<br />

and Supervisor, with a Proof Tester course coming<br />

soon. Each course comprises a series of short,<br />

relevant modules. Once the<br />

modules have been completed,<br />

the trainee sits an online<br />

assessment, which if<br />

successfully passed,<br />

generates a training certificate.<br />

The content delivered through the<br />

new e-learning platform has been<br />

designed to be engaging, which makes it more<br />

appealing to a younger demographic. Therefore, as<br />

well as helping to ensure training can continue in<br />

times of challenge, the new endeavour could go<br />

some way in helping the sector attract different age<br />

groups. Companies can work with the CFA to tailor<br />

content included on the platform, making it specific<br />

to them and their industry. As such, the new<br />

program can provide the sector with the support it<br />

needs to remain viable, as well as helping to ensure<br />

that the standard of work remains high.<br />

In looking to protect itself from future crises, the<br />

construction industry must reaffirm its<br />

commitment to promoting high-quality training<br />

and learning opportunities. At the CFA, we believe<br />

that this objective can only be realised with<br />

appropriate resources devoted to online<br />

platforms. Unlike traditional methods, online<br />

platforms are more accessible and appeal to a<br />

younger demographic. To this end, the sector can<br />

use such methods to effectively ‘kill two birds<br />

with one stone’ and help to promote more<br />

versatile training solutions, whilst also<br />

addressing its long-term skills shortage.<br />

Contact the Construction Fixings Association<br />

http://www.the-cfa.co.uk/training/<br />

48 TC APRIL <strong>2021</strong>

Fixfast launches state of the art<br />

UK manufacturing facility.<br />


Fixfast has invested in its Maximum Reliability, Minimum Fuss promise with the addition<br />

of a cutting-edge manufacturing facility in Kent. Our increased local production capacity<br />

means you can be sure you’ll get the fasteners you need when you need them.<br />

T: +44 1732 882387 | E: sales@fixfast.com | W:fixfast.com/manufacturing

Roof Tube: Video Content<br />



Roof Tube is the new platform for digital content from the leading players in your sector.<br />

Easily accessible on any device, Roof Tube is packed full and constantly updated with<br />

practical, informative and entertaining video content, including how-to’s; project and<br />

product focuses; installation advice; training and webinars; plus interviews and opinions<br />

from those operating throughout the roofing, cladding and associated sectors.<br />

The first instalment of<br />

Vivalda Group’s CladMaster<br />

series of videos sees MSP’s<br />

Gillian Thomson address the<br />

‘A1 or nothing’ trend amongst<br />

specifiers<br />

Dust off your trainers and<br />

remember to stretch as the LRWA<br />

Virtual Dragon Team Challenge<br />

returns this May! Take a look at last<br />

year’s event over at Roof Tube!<br />

E<br />

TUBE<br />










Technical Roofing<br />

Consultant John Mercer<br />

provides practical advice<br />

and guidance on how<br />

to reduce the risk of<br />

efflorescence forming on<br />

on concrete roof tiles<br />

The experts at<br />

Made for Trade have<br />

produced a short video<br />

to show just how easy<br />

the Korniche Lantern is<br />

to install! You really could<br />

be ‘fitting in minutes –<br />

glazing in seconds… and<br />

having a brew before you<br />

know it!’<br />

So head over to www.roof-tube.co.uk to view all these videos and so much more, or<br />

if you’d like to make the most of your digital content, contact Andy or Jake on<br />

01892 732 047 to put your company and products in front of your potential customers!<br />



APRIL <strong>2021</strong> T C 51

Cladding & Sheeting Updates<br />


Pura Facades has completed a £2.6m<br />

Ferro) to the project over the past year. As well as<br />

contract to supply bespoke Glass Reinforced providing these non-flammable GRC panels and<br />

Concrete (GRC) panels and associated fixing fixing systems for the project, Pura managed the<br />

systems to the Oaklands Rise project at logistics of phased deliveries on-site, creating<br />

Willesden Junction, west London.<br />

complete packs of Rieder products and appropriate<br />

fixings to facilitate rapid, safe erection of the<br />

The high-quality cladding, manufactured by<br />

specially manufactured panels. James Butler, of<br />

Austrian firm Rieder, forms the exterior facades of<br />

Pura Facades, said: “Given the issues of access<br />

the balconies and punctuates the brickwork on the<br />

and the relatively compact site footprint at<br />

mixed use development which is creating 605 new<br />

Oaklands Rise, a major part of our added value<br />

homes. Despite the pressures of lockdown, Pura<br />

was being able to handle the quality control and<br />

has supplied more than 4,600 pieces of standard<br />

kitting of complete GRC packs – just like IKEA<br />

curved and linear Rieder GRC Fibre C (Sahara<br />

flatpacks – at our fabrication centre in<br />

Visit: www.purafacades.co.uk<br />

Birmingham. This way, contractors on-site had<br />

everything they needed – panels and fixings – for<br />

every balcony they finished. Another important<br />

aspect of this project was Pura’s consultative<br />

approach, which saw our estimators suggesting<br />

different panel configurations to aid installation and<br />

reduce waste as well as the cost of fixings, which<br />

can be significant in a project of this scale.”<br />


Fireshield vapour permeable membrane, which is designed specifically to improve the fire<br />

protection behind cladding, has been chosen for a new Science Centre at Bevington Primary<br />

school in the Royal Borough of Kensington and Chelsea, London.<br />

The project includes a brand new Science Studio, plus before and after school club buildings. SIP Build UK was<br />

appointed as frame subcontractor for the project and chose the Fireshield membrane as part of the SIPS panelling<br />

system. Chris Duckworth from SIP Build UK explained: “We chose Fireshield as it provided the project with a number of really important benefits.<br />

Fireshield is a high-performance breather membrane which enables us to achieve the requirements in terms of fire protection without compromising on<br />

vapour control. Fireshield was also ideal because it is easy to use and allowed us to achieve the requirements in one process, using just the<br />

membrane, rather than the typical approach of two, cement board and a membrane.” Fireshield is the culmination of leading research to produce a<br />

vapour permeable membrane with an intumescent coated surface, which has a unique composition that actively reacts to help protect the materials<br />

underneath. The intumescent coating helps protect the substrate by reducing the risk of fire taking hold and significantly reduces the formation of<br />

droplets and smoke. www.proctorgroup.com<br />


Vivalda Group, the UK’s largest independent supplier of non-flammable cladding, has produced a series of<br />

videos to improve the construction industry’s understanding of issues such as cladding materials, fixing<br />

systems and fire safety specifications.<br />

With contributions from GRC specialist Pura Facades, aluminium fabricator MSP (Scotland) and Vivalda itself, the<br />

cladding specialist says the first season of four short films aims to stimulate debate among specifiers and installers<br />

Gillian Thomson, MSP.<br />

alike on a range of current cladding related topics. The first Clad Master video covers the topic of achieving A-rating<br />

fire safety with coated aluminium cladding. With contribution from MSP’s General Manager Gillian Thomson, this film explores the recent ‘A1 or nothing’<br />

trend among specifiers and the surprising rise of PVDF coatings in place of well-established A-rated powder coated (PPC) solutions. Other topics in the<br />

video series include ‘GRC Explained’, ‘Getting your fixings choice right’ and the ‘3 benefits of outsourcing cladding fabrication’. Peter Johnson, Chairman<br />

of Vivalda Group, explained: “Our Clad Master series has been produced to encourage debate and improve understanding of important issues facing the<br />

building industry.” The videos will be made available on a monthly basis from March <strong>2021</strong> – with the first episode (from MSP Scotland) looking at fire<br />

safety ratings and coated aluminium cladding. View the first video in the Clad Master series on www.roof-tube.co.uk<br />

52 TC APRIL <strong>2021</strong>

Specify<br />

responsibly<br />

Fireshield ®<br />

Construction membranes may be hidden after the project is complete, but their role in<br />

ensuring proper heat, air and moisture movement through the building envelope and<br />

safeguarding the health of the building and occupants is essential.<br />

Fireshield is a BBA-certified vapour permeable membrane for use in rainscreen and open<br />

jointed façade construction, including buildings over 18m. Fireshield is the first vapour<br />

permeable membrane of its kind approved for inclusion in the STA’s Tested Product Listing<br />

for fire robustness during construction.<br />

Specify responsibly:<br />

It’s what’s on the inside that counts.<br />

01250 872261<br />


Tapered Roof Insulation<br />


Tapered insulation schemes are effective performers on the flat roof stage due to their<br />

adaptability with a range of applications and requirements. James Wilkinson, Design Team<br />

Manager at Gradient, looks at the benefits of these systems and highlights how engaging<br />

with a flat roof and tapered insulation specialist can relieve the risk of project failure with the<br />

creation of a made to measure solution that is designed to last a building’s lifespan.<br />

Tapered insulation offers the best of both<br />

worlds when installed as part of a flat<br />

roof’s waterproofing build-up. Its<br />

multifunctional design not only enhances a<br />

building’s overall thermal performance, it<br />

manages a roof’s water run-off to ensure it flows<br />

into the appropriate outlets or gutters. If water is<br />

not properly dispersed from a roof, its weight will<br />

lead to deflections forming and increase the risk<br />

of ponding. This additional weight will fast-track<br />

the waterproofing system’s wear and tear, thus<br />

increasing the likelihood of a worst case scenario:<br />

water-based structural damage, one of<br />

the most common forms of<br />

building failure. Therefore, a<br />

well-appointed tapered<br />

insulation scheme can extend<br />

the life of the building itself,<br />

hence the importance of selecting<br />

a system, whether single-layer or<br />

multi-layer, that is specifically designed to<br />

suit a particular application.<br />

Code of practice<br />

In terms of specifying an insulation system that<br />

meets industry standards by taking into account<br />

issues such as water run-off, pitch size, wind<br />

load calculation, falls and weight ratio, the Single<br />

Ply Roofing Association (SPRA) code of practice<br />

offers excellent guidance. This is freely available<br />

online and ideal for installers and specifiers<br />

requiring insulation as part of a single-ply<br />

system. Similarly, BS: 6229: 2018 the standard<br />

that defines best practice in flat roof design and<br />

maintenance, provides a learned reference for<br />

performance requirements across a range of<br />

applications.<br />

Pre-installation preparation<br />

Fail to prepare, then prepare to fail<br />

is a well-known saying that could<br />

have been tailor made for the<br />

construction industry. Hence a<br />

site survey ought to be a<br />

prerequisite when specifying tapered<br />

insulation for flat roofs. In many instances,<br />

the initial take-off drawing/specification of a<br />

project will differ from what is the ‘reality’ onsite.<br />

Therefore, it is always recommended a site<br />

visit is carried out prior to deciding on an<br />

appropriate insulation solution. This is<br />

particularly the case for modular<br />

single-layer systems, as they offer<br />

little option for cutting and altering<br />

once delivered to site. A survey will<br />

determine a roof’s dimensions and<br />

take into account potential<br />

obstructions or openings such as rooflight<br />

and drainage outlets, which could affect the<br />

layout of a bespoke-designed insulation scheme.<br />

Single or multi-layer option?<br />

Bonded under factory-controlled conditions,<br />

single-layer tapered insulation systems are the<br />

time and cost-effective alternative to multi-layer<br />

solutions: they are ready to install once delivered<br />

to site. The insulation within the single-layer bond<br />

will have been monitored for its volume and<br />

minimum pull-off performance, leaving installers<br />

with the relatively straightforward task of adhering<br />

it – in one block – to the roof, followed by the<br />

waterproofing. This not only guarantees the<br />

insulation will perform as-designed, it significantly<br />

reduces application times and material waste.<br />

Therefore, whilst a multi-layer solution might<br />

Left: James Wilkinson, Gradient.<br />

appear – on paper at least – to be<br />

a more cost-effective option, the<br />

benefit is negated by the<br />

additional hours it takes to bond<br />

and install the insulation layer-bylayer,<br />

a process that is eliminated with<br />

a pre-bonded single-layer system.<br />

Engage with an expert<br />

From a specification point of view, quality is builtin<br />

with single-layer tapered insulation systems.<br />

Gradient, for example, which is the system design<br />

and supply element of Recticel’s operation,<br />

provides a turnkey service as part of its bespoke<br />

manufacture of flat roof and tapered roofing<br />

insulation systems. From the initial consultation<br />

and pre-design process, to the installation and<br />

post-project stages, Gradient’s technical teams<br />

work alongside clients to ensure the successful<br />

implementation of its individually-tailored tapered<br />

insulation schemes which are produced to ISO<br />

9001; one of the most widely adopted<br />

management standards in the world.<br />

There is any number of options when it comes to<br />

tapered insulation design, but only one desired<br />

outcome: to keep a roof dry and the building<br />

beneath warm and protected. No corner should<br />

be cut in attempting to achieve this aim, which is<br />

eminently more achievable when the all-round<br />

expertise of an insulation specialist such as<br />

Gradient is called upon.<br />

Contact Gradient<br />

www.gradientuk.com<br />

@Gradient_UK<br />

54 TC APRIL <strong>2021</strong>

Opinion: National Retrofit Strategy<br />


ROUTE TO NET ZERO BY 2050?<br />

By Simon Storer, Chief Executive of the Insulation Manufacturers Association.<br />

The news that the Green Homes Grant<br />

Voucher scheme has been closed has once<br />

again highlighted the pressing need for a<br />

longer term UK-wide retrofit strategy to address<br />

the energy efficiency of UK Housing. As opposed<br />

to a one-off initiative, the Construction<br />

Leadership Council’s proposed National Retrofit<br />

Strategy will target the majority of the 28 million<br />

existing homes that need to be made more energy<br />

efficient in order to meet our carbon targets. Such<br />

a long-term strategy would be a real positive step<br />

forward, but will it gain traction in order to tackle<br />

our inefficient housing stock?<br />

The challenge<br />

Costing £525bn over 20 years, the proposed<br />

National Retrofit Strategy sets out to address the<br />

challenge that our existing homes use 35% of all<br />

the energy in the UK and are responsible for 20%<br />

of carbon emissions. In order to make these<br />

homes greener and more energy efficient through<br />

fabric improvements and heating methods, the<br />

strategy calls for a partnership between industry<br />

and government with three key deliverables:<br />

creating a ‘building passport’ for every home,<br />

developing skills training modules and creating<br />

delivery programmes in trial areas to enable a<br />

grassroots approach. It would also see the existing<br />

workforce of professionals and trades increased<br />

to 500,000 to tackle this enormous challenge.<br />

The strategy is laudable but previous proposals<br />

including the Each Home Counts review in 2015<br />

and the Department of Energy and Climate<br />

Change’s (DECC) £240 million Green Deal in<br />

2013 never succeeded. With previous schemes or<br />

initiatives started but unfulfilled, why will it work<br />

this time and what makes this attempt different?<br />

We have seen political buy-in before, but it<br />

always comes down to finance. Who and how do<br />

you pay for it?<br />

Driving consumer demand<br />

The government certainly isn’t<br />

going to pay for every property to be<br />

upgraded, so it will be essential to<br />

drive up consumer demand and<br />

find incentives for home owners to<br />

invest in their own property. This<br />

has always been unsuccessful on a<br />

large scale as there is a lack of<br />

knowledge, trust and awareness of<br />

Simon Storer, IMA Chief Executive.<br />

performance standard is estimated<br />

to be between £10-20,000, which<br />

under a normal cost benefit<br />

analysis is financially unattractive.<br />

If a homeowner is only likely to<br />

save a few hundred pounds on their<br />

energy bill per year and the average<br />

length of occupancy is around eight<br />

years, a homeowner is unlikely to<br />

realise any benefit, especially as<br />

which improvements are required.<br />

these improvements are not reflected in the value<br />

of the property at sale. Although things are<br />

It would be more beneficial and cost-effective to<br />

improving, currently a property is unlikely to have<br />

upgrade whole streets or estates, as houses of<br />

a higher value due to a better EPC or better<br />

the same age and similar construction are likely<br />

energy performance.<br />

to require similar energy efficiency measures<br />

which can be installed en masse. All work would<br />

need to be carefully managed and balanced to<br />

minimise disruption to occupants whilst<br />

optimising the benefits. Pilot schemes have<br />

already been carried out and data from these<br />

schemes can help to understand behaviour and<br />

drive uptake.<br />

This is why having a long-term strategy is so<br />

important. Successful delivery is reliant on a<br />

series of interdependent themes including<br />

leadership performance standards, finance,<br />

supply chain, skills and training as well as<br />

creating customer understanding and demand, as<br />

well as ensuring compliance and quality. All of<br />

these must be addressed in parallel and not in<br />

Full energy audit homeowner returns<br />

One of the biggest barriers for improvement for<br />

isolation, otherwise the whole strategy will be<br />

compromised.<br />

any building owner is not just the financial<br />

As has been said many times before, we have the<br />

aspect, but knowing what work is needed and in<br />

materials, technology and the knowledge to<br />

which order it should be carried out. A full energy<br />

improve our buildings, but agreeing what needs to<br />

audit of every property is essential to understand<br />

be done, how it is paid for and then confirming<br />

the performance profile and this would identify<br />

that work has been carried out to a decent<br />

the necessary improvements, as well as the order<br />

standard and is value for money, is the real<br />

in which these measures should be undertaken,<br />

challenge. If these questions cannot be<br />

prior to any work starting. All information from the<br />

answered, unfortunately we will be having this<br />

audit should be stored digitally in a building<br />

same conversation every decade between now<br />

passport which would be available for all future<br />

and 2050.<br />

owners.<br />

Another issue is the return on investment for the<br />

homeowner. The average cost to improve a<br />

domestic property to an acceptable energy<br />

Contact Insulation Manufacturers Association<br />

www.insulationmanufacturers.org.uk<br />

@IMA_Org<br />

56 TC APRIL <strong>2021</strong>




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Site Service Apps<br />



By Graham Laws, Technical Director at Siderise Insulation.<br />

When constructing any building, having<br />

the right passive fire protection in place<br />

is crucial. However, even the most<br />

robust specification can fall short of the mark if<br />

the solutions are not installed correctly, with<br />

potentially devastating consequences. Accurate<br />

and thorough inspection is therefore vital to make<br />

sure the installation meets recommendations,<br />

and the construction is safe.<br />

“Arranging and waiting<br />

for a site inspection<br />

can often create<br />

additional issues –<br />

especially at a time<br />

when life on site is<br />

already disrupted”<br />

However, arranging and waiting for a site<br />

inspection can often create additional issues –<br />

especially at a time when life on site is already<br />

disrupted. To help alleviate some of this pressure,<br />

many contractors are looking<br />

to digital tools that can help<br />

them remotely validate the<br />

quality of their work and<br />

provide reassurance to their<br />

clients.<br />

Easing the pressures<br />

Contractors have a huge<br />

responsibility to ensure their<br />

work achieves the standards<br />

necessary to turn a design<br />

concept into a safe and<br />

functional building created<br />

to last. This is why<br />

workmanship and<br />

competency have been<br />

under such intense scrutiny<br />

for several years, especially in relation to energy<br />

efficiency and fire safety.<br />

The pandemic has, of course, added an extra<br />

layer of complexity to this. Although construction<br />

has recovered well from the lockdown measures,<br />

with output expected to rise<br />

14% this year, contractors<br />

are still having to find ways<br />

to meet the high standards<br />

required of them, whilst<br />

juggling project delays,<br />

productivity losses, social<br />

distancing and other<br />

additional health and safety<br />

measures.<br />

Under this pressure, it can<br />

be tempting not to undertake<br />

a full inspection by a product<br />

manufacturer – which are<br />

often offered as an<br />

additional service – as it<br />

requires extra arrangements<br />

and means there is an additional person to<br />

account for on site. Instead, relying on the<br />

Building Control inspection which typically takes<br />

place when the passive fire protection products<br />

have been covered by the facade. However, digital<br />

tools can help to make this step more accessible<br />

and more straightforward, allowing contractors to<br />

ensure a high-quality installation and a safe<br />

building.<br />

Creating a digital toolbox<br />

Digital tools have been used by building designers<br />

for decades, but we are increasingly seeing how<br />

they can help to empower contractors on site to<br />

safeguard the integrity of their projects. This was<br />

the thinking behind the development of the<br />

Siderise Inspection App.<br />

Whilst some projects may still need or prefer an<br />

in-person inspection from the manufacturer, the<br />

app offers many contractors a simple way to<br />

record the progress and quality of the installation<br />

58 TC APRIL <strong>2021</strong>

“The report generated by the app<br />

provides a valuable visual record of<br />

hidden elements of a construction<br />

once the build is complete”<br />

of our standard fire stop, cavity barrier and acoustic barrier systems. Freely<br />

available from the Apple Store and Google Play store, it has been designed<br />

to be easy to use:<br />

• Users capture images as each area/element is installed and update the<br />

data input fields using their smartphone or tablet.<br />

• The app then immediately turns all this information into a comprehensive<br />

report which can be reviewed offsite by our technical team.<br />

• The technical team will assess that the installation meets<br />

recommendations and identify any areas which need further remedial<br />

actions to get them up to standard, returning the final report within three<br />

days.<br />

• Further reports can then be submitted to verify any remedial work,<br />

streamlining the whole process.<br />

In addition to simplifying the inspection process, the report generated by<br />

the app provides a valuable visual record of hidden elements of a<br />

construction once the build is complete. This means it is clear exactly<br />

what’s in the building and how it was installed, providing that all important<br />

‘golden thread’ of information which can be passed over to the building<br />

owner at sign off and used to inform any future maintenance or building<br />

work.<br />

Standing by your side – remotely!<br />

Installers face significant pressure to get work moving quickly on site whilst<br />

also ensuring all fire safety measures are correctly installed. To achieve<br />

this, it is important to have straightforward and robust processes which<br />

allow you to confirm you have met all the requirements and provide<br />

reassurance to their clients. Digital inspection tools provide a flexible and<br />

easily accessible option which will be beneficial long after the pandemic.<br />

The Siderise Inspection App is part of our extensive range of technical and<br />

site support services, which also includes project and system testing,<br />

review of project specific details, remote and in-person training, and<br />

toolbox talks.<br />

For more information, please contact:<br />



ACTS<br />

By QI (Quantum Insulation Ltd)<br />

How does the NHBC Chapter 7.1 update affect fect roof<br />

insulation?<br />

As the largest insurer of new construction housing the NHBC plays an<br />

important role in the construction industry, producing its own guidance that<br />

<br />

<br />

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insurer. Chapter 7.1 <br />

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accessed free online at:<br />

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Approved<br />

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provided guidance that may point to the likely direction of<br />

travel within<br />

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insulation does not<br />

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is not:<br />

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• thicker than 60mm<br />

• crossing a compartment line<br />

It therefore would follow that if the vertical insulation is higher, thicker,<br />

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insulation, reinforcing the adage ‘if it’s over heated space it’s a roof,<br />

if it’s over<br />

air it’s a balcony’<br />

.<br />

<br />

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Next<br />

month:<br />

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<br />

<br />

<br />

Contact Siderise<br />

site.services@siderise.com<br />

www.siderise.com<br />

APRIL <strong>2021</strong> TC 59

Insulation Updates<br />


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

ROCKWOOL has unveiled a new flat roof the application, users start by drawing a plan<br />

zoning tool designed to help specifiers and outline of the roof, then create zones before<br />

roofing contractors balance performance setting properties for each area. Via the tool,<br />

criteria, regulation compliance and design users can incorporate details including rain noise<br />

targets when choosing insulation.<br />

performance (BB93); airborne noise reduction;<br />

thermal performance; and product mechanical complex in their design. A single roof for example<br />

Hosted on the ROCKWOOL website, the tool has<br />

strength. Once inputted, the tool then<br />

might be a bar or restaurant terrace and an<br />

been created in recognition of the increasing<br />

recommends the best ROCKWOOL stone wool energy generation source for solar PV.<br />

prominence of flat roofs in contemporary building<br />

insulation for each roof zone.<br />

design.<br />

“This tool helps specifiers select the right<br />

Will Wigfield, Product Manager – Flat Roofs, insulation for each zone’s specific needs, which<br />

The purpose of the tool is to simplify and<br />

ROCKWOOL explained: “Today, roofs are seen as saves lots of time and potential confusion.”<br />

optimise insulation design by zoning flat roofs<br />

the fifth façade of a building and are more<br />

according to how each area will be used. Through<br />

www.rockwool.com/uk/<br />


Recticel has entered into preliminary agreements with the owners of the private Polish company Gór-Stal Sp.<br />

z o.o.(“Gór-Stal”) to acquire Gór-Stal’s thermal polyisocyanurate-based (PIR) insulation board business.<br />

The acquisition will be made in cash for an enterprise value of EUR 30 million, of which EUR 27.25 million will be payable at<br />

Above: Olivier Chapelle, Recticel CEO<br />

closing and EUR 2.75 million payable in two equal tranches in 2022 and 2023. The transaction is subject to confirmatory due<br />

diligence and customary conditions precedent. In 2015, Gór-Stal started its PIR insulation board business and built a new plant in Bochnia, focused on the<br />

production of high-value-added termPIR thermal insulation boards for the construction sector. In 2020, the Bochnia plant employed 66 people and generated<br />

EUR 16.7 million net sales and EUR 2.5 million normalized EBITDA at a capacity utilization rate of about 40%. Recticel says the acquisition of the Gór-Stal<br />

insulation board business will lead to accelerated expansion into the Central and Eastern European markets, where Recticel was so far not present. Olivier<br />

Chapelle, Recticel CEO, explained: “The acquisition of the Gór-Stal PIR-based insulation board activities marks an important step in the development of our<br />

Insulation business. This acquisition perfectly fits our ambition to further expand in the growing thermal insulation markets of Central and Eastern Europe. It<br />

meets three fundamental prerequisites: a state-of-the-art asset, a perfect geographical complementarity, and a focus on high performance PIR insulation<br />

solutions. We look forward to welcoming our new and highly skilled colleagues from Gór-Stal.” www.recticelinsulation.com<br />


Actis has welcomed the establishment of a Modern Methods of Construction (MMC) Taskforce<br />

The Ministry of Housing, Communities and Local Government (MHCLG) programme, backed by £10m of seed funding, is<br />

aimed at accelerating the delivery of off-site homes across the UK and will work closely with local authorities. The move<br />

follows the publication in the autumn of a report co-authored by the government's MMC champion Mark Farmer. That<br />

report, Build Homes, Build Jobs, Build Innovation, called on the government to set a target for 75,000 homes a year to be<br />

of modular construction by 2030 - 25% of its overall target of 300,000 homes annually. Actis works with many timber<br />

frame specialists and is a great believer in the benefits afforded by offsite construction – speed of delivery, thermal<br />

efficiency and a way to counter the effects of a smaller than desired skilled workforce. “As well as enabling us to create more homes in less time, the<br />

fabric of the buildings means they can perform better thermally. The airtight envelope means they can consume less energy and leak less heat and can<br />

thus help the UK reach its 2050 net zero carbon target,” explained Actis UK and Ireland Sales Director Mark Cooper. “Because they are quicker to build –<br />

around 30% faster than their traditional counterparts – this also goes some way towards addressing the construction skills gap.”<br />

www.insulation-actis.com<br />

60 TC APRIL <strong>2021</strong>



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APRIL <strong>2021</strong> TC 61

Updates<br />

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


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Norton Clipper has announced the release of its newly updated Pro Universal Laser Diamond Blade.<br />

Enhancing control and performance, the Pro Universal Laser Diamond Blade ensures a more precise, quicker and sharper<br />

cut when compared to its predecessor, and is available in a complete range of sizes, from 115mm to 350mm, to suit all<br />

cutting requirements. Ideal for general building materials such as bricks, paving stones and other common onsite<br />

applications, the new blade has an increased segment height from 10mm to 12mm and has been upgraded with i-HD denser segments, which ensures a longer<br />

product life with fewer blade changeovers. While the density of the blade can ensure optimum safety against segment loss, the concise grooves on the blade<br />

work to reduce surface contact – minimising friction between the blade and material, and ensuring an easier and more precise cutting process, even after<br />

multiple uses. A change in the design of the updated blade has also allowed for better evacuation of dust, increasing visibility and safety for the operator. To<br />

help contractors quickly and easily choose the correct tool for their projects, the Pro Universal Laser Diamond Blade has been colour coded in blue and includes<br />

images of the correct applications and machinery. Colin Knight, National Sales Manager at Saint-Gobain Abrasives, said: “The updated Pro Universal Laser<br />

Diamond Blade offers a fast and precise cut throughout its long lifespan – simply look out for the blue blade with four diamonds, or ask at your local builders’<br />

merchants.” www.nortonabrasives.com/en-gb<br />


With a maximum load capacity of 150kg and a new soft close design that ensures a smooth retraction and prevents finger<br />

trapping, the new Werner Telescopic Soft Close Extension Ladder offers a safe solution that is ideal for users on the go.<br />

Suitable for both professional and non-professional use, the 850 series is available in two lengths – 2.6m and 2.9m – both<br />

of which can be easily adjusted to suit a multitude of applications, allowing the user a safe working from height of up to<br />

3.15m and 3.42m respectively. With safety in mind, the colour-coded lock indicators make it easier than ever for users to<br />

see when the ladder is set up correctly, whilst the automatic locking mechanism provides extra security when in use. Both<br />

models have been ergonomically designed with automatic locking and single-handed unlocking systems, allowing for safe<br />

and simple opening and closing. Thanks to its compact dimensions, making it smaller than most extension ladders when<br />

closed, the new telescopic ladder can be easily stored and is also incredibly easy to transport as it fits into the boot of most<br />

standard cars. Additionally, the rubber hand grip provides extra support when carrying the ladder. For stability when working and to protect against<br />

damage, the telescopic ladder features slip-resistant rungs, safety grip wall bumpers and a moulded foot brace. Additionally, the non-marking feet<br />

protectors prevent floor damage when working indoors. www.wernerworldwide.com<br />

62 TC APRIL <strong>2021</strong>

Updates<br />

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


Screwfix has launched Price Checked to give<br />

its busy tradespeople the best deals on<br />

essential products.<br />

Priced Checked products offer market leading<br />

prices on everyday essentials. Just look for the<br />

tick and take your pick from<br />

cable ties and heavy-duty<br />

shelving to blue roll and safety<br />

boots.<br />

Trusted by the trade since<br />

1979, Screwfix has highlighted<br />

its Price Checked products<br />

online and instore, using the<br />

Price Checked badge.<br />

Price Checked is another example of the<br />

omnichannel retailer going further for its<br />

customers on price, in addition to Screwfix<br />

Deals, Bulk Save and Low Price.<br />

Customers can order via Click & Collect service<br />

to pick up from more than 700 stores across<br />

the UK.<br />

Simon Jackson, Screwfix Customer & Digital<br />

Director commented: “Time is money for our<br />

customers so we’ve<br />

launched Priced Checked to<br />

reassure them that, on our<br />

everyday essential products,<br />

we’re market leading on<br />

price. We do the hard work,<br />

so they don’t have to.”<br />

www.screwfix.com/stores<br />


FEIN, the power tools and accessories manufacturer, has promoted former National Sales Manager, Andy Mills, to UK<br />

Managing Director, with former UK MD Raphael Rudolph moving into the role of Chief Sales Officer for the group.<br />

Andy, who began his FEIN career as an Area Sales Manager in 2010 before becoming National Sales Manager in 2014,<br />

says he has ambitious plans for the next 12 months and beyond, with his primary focus firmly on driving forward the<br />

Above: Andy Mills, FEIN IK MD.<br />

manufacturer’s solutions-focused strategy. “I am delighted to be taking on the role of Managing Director for a company I<br />

have watched grow considerably through the duration of my 15-year career in the industry. Innovation is very much at the heart of FEIN’s ethos and to<br />

be able to help continue driving the business forward by providing solutions via market-leading tools is incredibly exciting. Over the next 12 months we<br />

will continue building on the strong foundations we have spent the last few years developing, while pushing forward with the company strategy – which<br />

is very much focused on supporting our customers in the best way possible,” explained Andy.<br />

Former UK MD Raphael Rudolph will move into his new Chief Sales Officer role with immediate effect, leading the company’s sales division globally.<br />

www.fein.com/en_uk/<br />


Temporary access and system scaffold provider HAKI will has relaunched its HAKI Design Tool to<br />

further provide its customers with the very best experience when it comes to designing HAKI scaffold<br />

structures in 3D models.<br />

The relaunch has seen the HAKI Design Tool webpage refashioned into an easier to navigate page that<br />

hits the marks on visuals. Modules in the cloud-based HAKI Configurator have also be updated. The HAKI Configurator is a new facility under the HAKI<br />

Design Tool umbrella that is designed for HAKI customers to better visualise and estimate their simple HAKI scaffold structures. The latest module<br />

upgrades – including the popular HAKI Universal module – will enable immediate updates to the 3D scaffold models so that customers can design at a<br />

far quicker pace. Clients will have the possibility to export an estimated bill of materials (BoM), and will be able to export the 3D model to a 3D<br />

programme to collaborate on the model with different customers and partners. Additionally, the HAKI Configurator tool will allow increased interaction<br />

with 3D models on the HAKI Universal module and more. In the previous iteration of HAKI Configurator, customers had to manually enter in product<br />

details to add the scaffolding. With the latest updates, however, customers will only have to click on the desired system for it to appear where it needs to<br />

be on the model. This update will be hugely beneficial to HAKI Configurator users. www.haki.com<br />

64 TC APRIL <strong>2021</strong>



In collaboration with<br />

the Green Roofing<br />

Association.<br />

If you supply green<br />

roofing products to<br />

the green roof market,<br />

Greenscape is the<br />

magazine for you!<br />

Get your marketing<br />

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For advertising<br />

opportunities contact<br />

Andy Dunn<br />

07963 330777<br />

Jake Roxborough<br />

07956 133314<br />

In collaboration with the Green Roofing Association.<br />

From the publishers of

Updates<br />

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


Snickers Workwear says it takes personal<br />

wellbeing at work very seriously, and that’s<br />

why this range of Hi-Vis protective wear is<br />

streets ahead of anything else.<br />

With updated styles and designs added to the<br />

extensive range of Jackets, Trousers, Shorts,<br />

Toolvests, Shirts and Fleeces for men and<br />

women, there’s a host of garments in the range<br />

to satisfy the specific requirements of Classes 1,<br />

2 and 3 protection levels.<br />

These products combine Snickers’ unrivalled<br />

hallmarks of functionality and comfort with the<br />

requirements of the EN20471 standard for high<br />

visibility warning clothes.<br />

With advanced designs and high-tech fabrics<br />

that are windproof and water-repellent, all the<br />

garments have durable, colour-fast protection<br />

that will last, retaining shape and comfort<br />

throughout the life of the garments. Added to<br />

which, Snickers Workwear Hi Vis garments can<br />

be custom-profiled to ensure ‘stand out’<br />

coverage for your corporate brand.<br />

For more info on the Snickers Workwear range of<br />

ProtecWork and Snickers Workwear Hi-Vis<br />

protective wear call the Helpline on 01484 854788<br />

or visit www.snickersworkwear.co.uk<br />


Geocel, ‘the UK’s favourite brand for sealants and adhesives’, has announced that it will be<br />

promoting the recently launched ecoSEAL and THE WORKS PRO products on pitchside<br />

advertising throughout this Premier League and EFL season.<br />

In celebration of this announcement, Geocel will be hosting free-to-enter competitions on its<br />

Facebook page with the chance to win high-value prizes such as a PlayStation 5 and FIFA 21<br />

bundle. The advertising follows the 2020 launch of the company’s ecoSEAL system and THE WORKS PRO multi-use sealant and adhesive. With the<br />

ecoSEAL system, ‘the trade’s favourite sealant products’ are now available in a foil for use with a unique reusable sleeve, while THE WORKS PRO can be<br />

used to seal, fill, and quickly bond virtually any surface, wet or dry – inside or out. For every televised Premier League fixture that features Geocel’s<br />

ecoSEAL or THE WORKS PRO advertising, the brand will be giving away a PlayStation 5 and FIFA 21 bundle. For select televised EFL fixtures that also<br />

include its advertising, Geocel will be holding a range of competitions to win prizes such as an MR052 Makita Cordless Radio, as well as some Geocel<br />

branded merchandise. To be in with a chance of winning, like the Geocel Facebook page to ensure you don’t miss the next competition in the series:<br />

www.facebook.com/GeocelUK/.<br />


Travis Perkins has launched an industry first mobile app’ for customers. This can be downloaded from any<br />

Google Play or Apple App store and will revolutionise the way customers can order stock and manage their<br />

trade accounts on the go.<br />

Travis Perkins has launched a new app.<br />

The app has been designed in conjunction with customers to help them save time and work smarter by enabling<br />

them to check and order stock at their personal trade prices in real time from their local branch 24/7. Not only will this transform the way they can forward plan<br />

their materials ordering and purchasing at the time that is most convenient to them, but the new app will also enable Trade Professional customers to fully<br />

manage their accounts on the go. At just the tap of a mobile button, they can check their credit accounts, pay balances and download their invoices, which<br />

means they will be able to wave goodbye to large amounts of paperwork. “The pandemic has put huge pressure on all of us in the industry to ensure safety and<br />

keep construction projects going, and we have worked tirelessly with our customers to digitise our engagement with them and reshape our business to suit the<br />

changing demands of our markets. We know our customers are incredibly busy, so we have simplified our commercial deals and reduced our pricing on<br />

thousands of trade essentials, and this app will help make it easier still for our customers to work smarter and quicker by ordering on the go and managing their<br />

accounts from their pocket by ensuring they have all the information they need at their fingertips 24/7,” explained Digital Director of Travis Perkins, John Godwin.<br />

66 TC APRIL <strong>2021</strong>

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In association with Total Contractor and Total Installer magazines.<br />

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