www.miteknz.co.nz© Copyright 2019 MiTek Holdings, Inc. All rights reserved June 2020

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