Bracing for monopitch roofs
Judging by the number of calls to the BRANZ Helpline, there’s some confusion around bracing requirements for monopitch roofs. Here, we sort out the issue.
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Judging by the number of calls to the BRANZ Helpline, there’s some confusion around bracing requirements for monopitch roofs. Here, we sort out the issue.
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?
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.
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.
There are rules around substituting studs with different sizes, but calls to the BRANZ
Helpline suggest some people are finding these confusing.