Only a very few types of roof require deliberate ventilation if all potential sources of moisture have been dealt with adequately. The BRANZ helpline still receives queries about whether to ventilate or not; so it’s time to have another look at this question.
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1 October 2003, Build 78
In the August/September 2002 edition of Build you would have received the BRANZ weathertightness poster. This column takes a detail from the poster and provides a ‘good practice’ solution to it.
We all know that corrugated steel is most commonly used as a roof or wall cladding, but it can be used in a variety of other ways. This article looks at using corrugated steel as an internal ceiling lining and some potential pitfalls with skillion roofs.
We insulate our houses to increase the indoor comfort levels. Yet insulation is often installed with little thought to how important it is to get it right.