Your guide to building a better home (PDF, 6.7M - Upper Hutt City ...

WATERPROOFING
● Make sure head and sill flashings are
Many of the building techniques leading installed over windows and joinery.
to problems with waterproofing homes
● Parapet walls need cap flashings or a slope
have been addressed and incorrect building to drain water.
processes should be picked up at inspections, ● Kick-outs or diverters to apron flashings
however, there are definitely things you, as where roofs abut a wall surface are
RGENT
the homeowner, can be aware of:
necessary to ensure that
FAX
water flows into
● Beware of decks enclosed by solid walls the gutter and not down inside walls.
with a lack of drainage and perhaps a
● Design features that penetrate the
handrail attached to the top of the top cladding, such as projecting timber
GUTTERS AND DOWNPIPES
wall – water cannot drain and
beams or handrails, are almost impossible More than an afterthought – gutters are
the weather proofing skin may have been to effectively waterproof.
the edging of a roof and can add to the
pierced by the handrails.
● look or detract. Consider the colour and
N.Z.
Monolithic
Building
claddings and tiled
Business
finishes
Guide
● Wall cladding materials finished hard
require movement control joints that
material to be used – white plastic has
down onto a deck surface or paving or allow building movement to occur
many alternatives, including copper and
paths: the cladding will absorb water from without cracking.
coloured steel, and a whole range of
the surface it’s finished onto.
● Eaves and drip edges email: at the bill@buildingguide.co.nz
base of
profiles for both gutters and downspouts
● Wall cladding extending below ground claddings and above windows are strongly are on offer to match your home design.
level or landscaping materials, including
●
recommended.
Do the gutters have the correct fall to
tive Promotions Ltd
uri Crescent, Greenlane
x 99 813
arket, Auckland
ILE:
TION:
mulch, are built up against the wall
– materials that are continuously damp will
quickly deteriorate.
● Waterproof decks that are constructed to
the same height as the internal floor, with
no fall for drainage, compounded by an
outlet that can get blocked.
● Suspended timber floors need space
below the floor for ventilation to remove
moisture evaporating from the ground.
● Leaving the underside of profiled steel
FROM: Bill Cutting
DATE:
● Ensure adequate detailing on junctions
between materials.
● Check the difference in levels between
the surface outside and floor inside and/
or that there is good drainage – without
these the building may well fail to meet
the performance requirements of the
JOB NO:
Building Code in regard to external
moisture provisions.
NO. OF PAGES:
Information supplied courtesy of BRANZ.
eater Wellington Edition of the Building Business Guide
2006
FACSIMILE: 09 360 8887
TELEPHONE: 09 360 8885
Please check roofing your exposed advertisement at overhangs thoroughly eaves and Websites return by to fax visit to for us more today. information:
●
As the publication Are is they secure?
– this due will at void the printers manufacturer’s shortly, warranty. your prompt www.wearthertight.org.nz
attention would be appreciated.
● Using sealant instead of properly designed Weathertight Homes Resolution Service (WHRS)
flashings.
www.weathertightness.govt.nz
❏ Traffigard Liquid Membranes
ensure no pooling of water?
● Are the gutters installed correctly with
overflow relief in the event that
blockage or heavy rain does not flow
into wall cavities?
● Have you chosen a colour that
complements the roof and external
colour of the house, and has the correct
colour actually been installed?
● Are the correct downpipes installed
– colour, materials, profile (shape)?
● Are downpipes in the correct location
so they don’t interfere with external
gates or the lines of your home?
Your Notes
❏
❏
Index Modified Bitumen
Membranes
Pond & Reservoir Linings
❏
Vandex Waterproofing
Roofing & Waterproof Coatings
TEFOND
TRAFFIGARD
NEW ZEALAND LIMITED
PROUD TO BE ASSOCIATED WITH THIS PUBLICATION
Enquiries Phone: 04 5277248
Fax 0800 4HITCHINS (0800 448622)
www.hitchins.co.nz : office@hitchins.co.nz
30 NZBG