Downloads section updated 10 May 2021

Scroll down for all individual documents!

Bundled file downloads

Asphalt shingles Water collection

Potable water documents NZS4020 Bundle

Download ZIP 2.35Mb
Branz appraisal

Technical Documents Bundle

Download ZIP 2021
GAF Asphalt shingles brochures

All Brochures Bundle

Download ZIP 32.8Mb

Specification documents

Branz appraisal

Branz Appraisal 529 amended 2020

Download PDF

Specifications NZ 2018

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Cross section Asphalt shingles nogging

GAF cross-section 2018

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Apshalt shingles fixing specfications

Fixing specifications

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GAF Apshalt shingles details construction notes

Construction notes

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Asphalt shingles details application

Timberline Application

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Shingle Application Low Slopes

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Staples vs nails 2011

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Roof Maintenance Schedule

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Underlay D226+ Roof wrap