By Alide Elkink
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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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By Roger Shelton
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1 June 2008, Build 106
The area around the edge of a roof requires extra fixings to stop it lifting, but how much of the total roof area needs these extra fixings?
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By Alide Elkink
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1 February 2012, Build 128
A new wind zone category, extra high, has been added in the revised NZS 3604:2011 Timber-framed buildings, and the amended E2/AS1.
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By Roger Shelton
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1 August 2015, Build 149
Roof failures in high winds are unfortunately too common in timber-framed buildings, but get the connections right, and the roof should stay put.
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By Roger Shelton
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1 October 2009, Build 114
You could be forgiven for getting the wind up about wind speeds, pressures and zones, but don’t worry. Here, we go back to basics to explain how they relate to one another.
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By Bruce Sedcole
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1 August 2022, Build 191
The BRANZ helpline has received many calls asking how to approach designing new houses that are compliant with the higher thermal requirements of New Zealand Building Code clause H1 Energy efficiency 5th edition. The first step is to look further than just the schedule method.
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