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 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.
By David Hindley – 1 February 2022, Build 188
MBIE recently released energy efficiency changes to the Building Code to help make new homes and buildings warmer, drier and healthier. These include increased minimum insulation requirements for roofs, windows and floors.
By Dr Dave Dowdell, Roman Jaques – 1 June 2019, Build 172, Feature article
It is widely accepted that the built environment makes a significant contribution to climate change and this impact needs to be minimised, but how? BRANZ’s LCAQuick is one tool that helps design better buildings.
By Alide Elkink – 1 April 2019, Build 171
With urban densification putting a strain on infrastructure services, some councils now require stormwater to be dealt with in situ, easing the strain on public systems.
By Trevor Pringle – 1 April 2015, Build 147, Feature article
Older houses often don’t perform as well as new ones. Fortunately, there are plenty of ways to upgrade performance as well as modernise for form and function.
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 Lois Easton – 1 December 2013, Build 139, Feature article
The Canterbury earthquakes have created a one-off opportunity to improve the local housing stock. A new service to support housing upgrades during earthquake repair is being rolled out across Canterbury.
By Christina Newnham – 1 August 2009, Build 113
If you live in an historic home, any energy efficiency improvements need to be in keeping with the character of the house.
By Eddie Bruce – 1 December 2008, Build 109
Current building designs often incorporate a mixture of construction types – both non-solid (timber-framed) and solid (such as solid timber, concrete or masonry). How is compliance with Clause H1 demonstrated for these designs?