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AB is for air barriers

By Trevor Pringle 1 December 2016, Build 157, Feature article

Draughty, cold homes have been a perennial problem in New Zealand. Now, thanks to science, air barriers are a key component of the cladding systems in modern homes. Their careful design will keep air in and water out.

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Wall underlay installation

By Greg Burn 1 August 2009, Build 113

Wall underlay plays an important role in the weathertightness of exterior wall assemblies in light timber-framed residential buildings, yet often it is poorly installed. Getting it right can be as simple as 1, 2, 3.

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