The Right Stuff

Practical how-to articles for builders and designers showing good industry practice and interpretation of the NZ Building Code and standards.

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Keeping skillion roofs dry

1 October 2005, Build 90

For most skillion roofs the amount of air movement in the roof cavity, although limited, is sufficient to remove small amounts of vapour. The trick is to keep those amounts of water vapour small.

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H1 and sloping truss roof options

By Alide Elkink 1 August 2022, Build 191

Roof construction R-values will increase to R6.6 when New Zealand Building Code Acceptable Solution H1/AS1 5th edition becomes mandatory on 1 May 2023 (6 months later than first announced). Have you thought about how you will deal with these changes in your designs?

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