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 Greg Burn
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1 October 2009, Build 114
The roof on a new building needs to be more than just aesthetically appealing and able to keep the building weathertight – it must also effectively collect and dispose of rainwater.
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By Tom Edhouse
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1 August 2009, Build 113
Designers should be designing roofs with enough space between the roof underlay and top plate for the thicker ceiling insulation now commonly used. Here are some options to avoid getting caught short.
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By Michael Camilleri
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1 April 2008, Build 105
When it comes to insulation, designers should think optimum rather than minimum and make key decisions early in the design process.
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By Greg Burn
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1 June 2022, Build 190
BRANZ modelling identified six areas for designers to focus on to reduce the carbon footprint of a new build. In the first of this series, we look at the practical considerations for designers using rule of thumb 1 Increase construction R-values.
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