Search results for 'roofs'

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Airtightness and ventilation

By Stephen McNeil 1 August 2021, Build 185, Feature article

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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Maintenance insights

By Vicki White 1 June 2017, Build 160, Feature article

Independent assessors carrying out the 2015/16 BRANZ House Condition Survey rated one-fifth of our housing stock as poorly maintained. Where are the problems areas, and why is maintenance being deferred?

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School indoor moisture

By Stephan Rupp, Cara Askew 1 February 2017, Build 158, Feature article

BRANZ has been measuring moisture levels in a school’s classrooms. This information is providing a sound basis for understanding the indoor climate and designing moisture-safe long-span roofs in schools.

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