Building Code changes 2021
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.
New Zealand Building Code (NZBC)
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H1 and sloping truss roof options
By Alide Elkink – 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?
Cutting fire spread with cavity barriers
By Kevin Frank – 1 August 2022, Build 191, Feature article
Cavity barriers are not well understood and have been causing some controversy. Here, we clear up some of the confusion around these building elements and their role in fire spread.
Changes to housing insulation upgrade dates
By David Hindley – 1 August 2022, Build 191
MIBE has revised the date that some Building Code clause H1 insulation requirements for housing will become mandatory.
The rise of liquefaction rules
By Maria Grace – 1 August 2022, Build 191
After the Canterbury earthquakes, regulations governing foundations changed. Initially only for the Canterbury region, they were later rolled out around New Zealand. What are the changes and what do they mean?
Compliance for H1 5th edition design
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.
Fire resistance of tall buildings
By Dr Colleen Wade, Greg Baker – 1 August 2022, Build 191, Feature article
There are many benefits from a focus on quality in construction. At the practical level, there are fewer call-backs and more satisfied clients. Beyond that, higher-quality buildings deliver healthier environments for living and working. At the top level, they can be inspirational.
