As we push for higher performance from our houses, expectations for airtightness and ventilation are changing rapidly. Some changes will be needed in design to improve airtightness, and mechanical ventilation is likely to soon be the norm.
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Recently, BRANZ responded to MBIE’s consultation document Building Code update 2021. This article provides an overview of the BRANZ response to Proposal 1 Energy efficiency for housing and small buildings.
The King Kong of building standards is having some serious work done. Updates coming to NZS 3604 will include widening coverage to medium-density housing and helping steer our homes towards the net-zero carbon world of 2050 and beyond.
Brick gable-ended roofs should be diagonally braced to prevent out-of-plane movement in an earthquake. It could make the difference between a home that remains liveable and one that does not.