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Roof design

By Trevor Pringle 1 February 2011, Build 122

Good roof system design is a critical part of a good building. A roof designer must consider cost, performance and appearance, but it’s important to keep a few other factors in mind.

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Roof drainage design

By Greg Burn 1 October 2009, Build 114

The roof on a new building needs to be more than just aesthetically appealing and able to keep the building weathertight – it must also effectively collect and dispose of rainwater.

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Sizing rafters

By Tom Edhouse 1 June 2014, Build 142

NZS 3604:2011 Timber-framed buildings sets out how to size rafters in table 10.1. The BRANZ technical helpline has received queries on doing this, so let’s step through some examples.

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