mitek durability flow chart - miteknz.co.nz€¦ · durability flow chart. title: mitek durability...
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CLOSED
Dry, internal location, not subject to airbourne salts or rain wetting.
CladdingRoof Cavity
SHELTERED
Open to airborne sales, but not rain washed.
EXPOSED
Open to airborne salts and rain washed.
Slat DeckingOpen Subfloor
Sheet DeckingVented SubFloor
DURABILITY FLOW CHART
www.miteknz.co.nz© Copyright 2019 MiTek Holdings, Inc. All rights reserved June 2020
Zones B and CRefer NZS 3604:2011
Fig. 4.2CLOSED
Gang-Nail / LUMBERLOKStandard Zinc Coated
Steel Product
ZONE ENVIRONMENT TREATMENT
Zones DRefer NZS 3604:2011
Fig. 4.2
CLOSEDGang-Nail / LUMBERLOK
Standard Zinc CoatedSteel Product
LUMBERLOK / BOWMACTYPE 304
Stainless Steel Product
BOWMACHot Dipped Galvanised
Steel Product
LUMBERLOKHot Dipped Galvanised
Steel Product
LUMBERLOKType 304
Steel Steel Product
Zones B & CRefer NZS 3604:2011
Fig. 4.2
LUMBERLOKType 304
Steel Steel Product
Standard Zinc Coated Steel ProductHot Dip Galvanised Steel ProductType 304 Stainless Steel Product
PRODUCT KEY
SHELTERED
EXPOSED
SHELTERED
EXPOSED
Post Base supports Beam / post / strap
refer NZS 3604 Sect 9
SHELTERED
EXPOSED
Fixings ABOVE 600mm from
ground level for piles and poles
SHELTERED
EXPOSED
Fixings BELOW 600mm from
ground level for piles and poles
SHELTERED
EXPOSED
For Structural timber fixings
specifcally external decks
DURABILITY FLOW CHART