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Retrofitting roof insulation

By Alide Elkink 1 April 2007, Build 99

Installing insulation retrospectively can be costly and difficult but it greatly reduces heating costs and improves home comfort. Retrofitting roof space insulation is usually the simplest, most effective option and is fully justified by the cost savings.

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Rafter fixings

By John Wierenga 1 April 2014, Build 141

Pitched roofs constructed with timber rafters are described in NZS 3604:2011 Timber-framed buildings as either couple-close or skillion roofs. What are the rafter fixing requirements?

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