Slab floors under new H1 changes
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.
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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 Martin Connell – 1 June 2021, Build 184
When builders are on site to carry out home renovations or repairs, it is a good time to suggest strengthening the property’s earthquake resistance with actions ranging from removing chimneys to securing the foundations.
By Roger Shelton – 1 February 2021, Build 182
While the use of dragon ties in New Zealand residential construction has decreased over recent decades, they remain a simple and cost-effective method to provide bracing solutions to larger rooms. However, BRANZ helpline queries suggest there is still some confusion around when they should be used.
By Alide Elkink – 1 December 2019, Build 175
If an internal gutter that provides drainage from a metal roof overflows, the only place the water can go is into the building below. This is not only inconvenient but can cause damage. How can these problems be avoided?
By Alide Elkink – 1 December 2019, Build 175
The correct fixings are needed at the various junctions of a timber-framed building structure to resist uplift in windy conditions. In this article, we summarise where to find them in NZS 3604:2011 and what is required.
By Trevor Pringle – 1 December 2016, Build 157, Feature article
Continuing our alphabetical guide to the science of building, D is for two crucial functions, drainage and drying.
By Alide Elkink – 1 August 2016, Build 155
The BRANZ helpline often receives questions about veranda design and construction. Here, we answer some of those questions.
By Trevor Pringle – 1 April 2015, Build 147, Feature article
Cost considerations often drive choices when building a property, but thinking more broadly from project design to material specification can be worth its weight in gold.
By Alide Elkink – 1 December 2014, Build 145
Judging by the number of calls to the BRANZ Helpline, there’s some confusion around bracing requirements for monopitch roofs. Here, we sort out the issue.
By Tom Edhouse – 1 December 2014, Build 145
There are rules around substituting studs with different sizes, but calls to the BRANZ
Helpline suggest some people are finding these confusing.