Search results for 'roofs'

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Rule of thumb 1: Increase insulation

By Greg Burn 1 June 2022, Build 190

BRANZ modelling identified six areas for designers to focus on to reduce the carbon footprint of a new build. In the first of this series, we look at the practical considerations for designers using rule of thumb 1 Increase construction R-values.

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Building Code changes 2021

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.

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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.

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