Search results for 'roofs'
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Storm-damaged roofs
By Alide Elkink – 1 April 2011, Build 123
The roof is usually the first thing to fail when a building is damaged in a severe storm. This risk can be minimised by making sure there are good structural connections.
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.
On the ground in Christchurch
By Graeme Beattie, Roger Shelton, Stuart Thurston, Angela Liu – 1 April 2011, Build 123, Feature article
The 6.3 magnitude earthquake that struck Christchurch on 22 February 2011 and the many aftershocks have been an enormous test of the performance of buildings. BRANZ Structural engineers provide some initial thoughts on how houses performed.
Thermal breaks and steel framing
By Trevor Pringle – 1 December 2011, Build 127
Steel framing is highly conductive to heat, so thermal breaks must be incorporated to prevent heat loss. But what is a thermal break, and where are they required when using steel framing?
Timber treatment has just got simpler
By John Harper – 1 June 2011, Build 124, Feature article
The treated timber framing system that came into effect on 4 April this year allows a single hazard class, H1.2, to be used for all enclosed radiata pine and Douglas fir framing.