Roof Bracing Design

Roof bracing design hood roof bonnet roofing systems are basically a mansard roof backwards.

Roof bracing design.

Roof bracing is a pre punched v shaped component that fixes in an x or v pattern to the top of the top chord to firmly brace roof trusses to the building frame. The bracing described in this brochure covers both framed roofs and fully trussed roofs. Likewise referred to as kicked eaves a hood roof has 4 sides with a high top incline as well as a much more mild reduced incline offering cover around the sides of your home for a veranda. For a light roof for each 50 m of roof plan area or part thereof one roof plane diagonal brace or one roof space diagonal brace is required.

Table 10 16 sets out the minimum roof bracing requirements for roof plan areas including the overhangs. For a heavy roof for each 25 m of roof plan area or part thereof one roof plane diagonal brace or one roof space diagonal brace is required. Use this for gable roofs hip roofs and combinations of these. One roof brace per 25m2 of roof area see rule 8 for minimum requirements 1.

I roof plane brace or ii roof space brace or combination of the two. Dormers porches do not require bracing. Roof bracing must be applied in opposing directions with the number location and tie down of bracing units to be determined as described in the relevant standard.