Securing roofs against wind uplift is a crucial step in the building process. Fortunately the cost of doing so adds very little to the overall cost of the building.
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The area around the edge of a roof requires extra fixings to stop it lifting, but how much of the total roof area needs these extra fixings?
A BRANZ research project has investigated load transfer in timber framed buildings – and found a number of potential weak spots.
Roof bracing is one element in a continuum that provides resistance to horizontal loads. It works with the wall and foundation bracing to supply a total bracing package for a building.
An online calculator has replaced the paper version of the BRANZ Guide to lintels and beams.
Calls to the BRANZ Helpline indicate that there is still confusion about the correct use of bottom plate anchors with concrete floor slabs.
Numerous calls to the BRANZ Helpline indicate that many in the industry are having trouble with the ‘loaded dimension’ concept in NZS 3604:1999 Timber framed buildings. This article offers a visual explanation.
The current technical review of our timber-framed building standard is limited by the rapid rate of change still occurring in the industry.