A skillion roof design
As the dust settles after the introduction of the revised H1 requirements last year, BRANZ has continued to receive a steady stream of related queries about the ventilation of residential dwellings – especially roof spaces.
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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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By Bruce Sedcole – 1 April 2024, Build 201
As the dust settles after the introduction of the revised H1 requirements last year, BRANZ has continued to receive a steady stream of related queries about the ventilation of residential dwellings – especially roof spaces.
By Greg Burn – 1 April 2024, Build 201
People still have plenty of questions about the new H1 requirements as was clear from a recent series of BRANZ workshops on the topic. Here are some of the issues that came up.
By Greg Burn – 1 February 2024, Build 200
Following the H1 refresher on floors in the last issue of Build, here we take look at H1 requirements and roofs.
By David Hindley – 1 August 2023, Build 197
With storms bringing massive rainfalls this year and a forecast of more in future, BRANZ recommends a conservative approach in designing gutters.
By David Hindley – 1 August 2023, Build 197
A secondary layer of insulation to the internal face of external walls can vastly improve the walls’ thermal performance, but bracing and protection against moisture movement must be provided for.
By Alide Elkink – 1 June 2023, Build 196
How do you decide it is time to reroof a profiled metal roof? The answer is generally when the roof shows signs of corrosion and begins to leak.
By Bruce Sedcole – 1 June 2023, Build 196
May Day, 1 May 2023, saw most of the recent new h1 updates move from their transition phase to become the sole h1 Acceptable Solution compliance paths available to architects and designers of all our housing and buildings up to 300 m².
By David Hindley – 1 April 2023, Build 195
With decades of research into thermal insulation, structural strength, internal moisture and related topics, BRANZ is well placed to give practical advice about some recent questions we’ve heard around h1 compliance.
By David Hindley – 1 October 2022, Build 192
Existing Building Code minimum construction R-value requirements for concrete slabs remain the same until 1 May 2023 when the way they are calculated also changes.
By Bruce Sedcole – 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.