Constructing timber outriggers
Verge overhangs are the areas of a timber-framed roof that are most vulnerable to wind damage, so it’s important to get them right.
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By Roger Shelton – 1 June 2014, Build 142
Verge overhangs are the areas of a timber-framed roof that are most vulnerable to wind damage, so it’s important to get them right.
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.
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?
By Trevor Pringle – 1 February 2014, Build 140
Good detailing of the roof wall junction for lean-tos is important for the weathertightness of a building, but this junction can present some challenges.
By Tom Edhouse – 1 February 2013, Build 134
We complete this four-part Build series on calculating bracing requirements by looking at roof bracing.
By Nick Helm – 1 August 2012, Build 131, Feature article
Not only is technology changing building design, it’s changing product development. Build talks to Dave Stampa, National Manager for Steel & Tube Roofing, about the process involved in the development of their latest roofing profile.
By Trevor Pringle – 1 June 2012, Build 130
Don’t be misled into thinking that rubber roofing membranes can do without edge detailing. It’s required in E2/AS1, and omitting it can lead to stained walls.
By Ian Page – 1 June 2011, Build 124
What is the cost of a roof cladding over its life? What is its environmental impact? The BRANZ website has a spreadsheet tool that has the answers for residential claddings.
1 June 2011, Build 124, Feature article
By Stephen Walker – 1 June 2011, Build 124, Feature article
A high proportion of residential buildings use timber nail-plated roof trusses to form the roof structure. NZS 3604:2011 includes provisions for their use.