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 Trevor Pringle
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1 June 2012, Build 130
E2/AS1 was updated last year – do you know what changed? This guide has 25 key changes to the design of a building structure and envelope.
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By Ralf Kessel
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1 June 2014, Build 142, Feature article
E2/AS3, the third Acceptable Solution for Building Code clause E2 External moisture, has been revised. We look at some of the main changes.
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By Ann Galloway
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1 June 2016, Build 154
It can be difficult to determine the critical dimensions for roof flashings in E2/AS1. We step through Table 7 to help clarify confusion when working out the minimum sizes of flashings.
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By Michael Camilleri, Nigel Isaacs
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1 April 2008, Build 105
This guide to the calculation method gives some hypothetical examples for common situations where this method may be needed.
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