Bracing light timber-framed roofs
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.
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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.
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?
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?
The BRANZ Helpline regularly receives enquiries about when strapping must be used to tie the timber framing together. These tips should point you in the right direction.
BRANZ regularly receives queries about hold-down fixings to the exterior walls of timber-framed buildings. This overview sets out the fixing requirements in NZS 3604:2011 for resistance to uplift for the various framing members.
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.