Roof Plane Bracing

Bracing sometimes not required for truss and framed roofs roof space bracing and roof plane bracing are not required where.

Roof plane bracing.

I roof plane brace or ii roof space brace or combination of the two. They are designed to withstand vertical pressure but not horizontal pressure. Roof bracing requirements roof type one roof brace per 50m2 of roof area see rule 8 for minimum requirements one roof brace per 25m2 of roof area see rule 8 for minimum requirements 1. Roof trusses must be handled gently and from the top down.

Roof bracing is the secondary structure of the steel building which include upper lateral horizontal bracing down lateral horizontal bracing and longitudinal horizontal bracing steel materials used q235b. Small trusses can be installed by a crew of two to three workers. Roof planes less than 6m2 e g. Dormers porches do not require bracing.

Additional valleys or hips that also run from top plate to ridge are counted as one additional brace. The roof is a light roof. The roof the house has a gable roof with 300 mm overhangs at the soffit and verge on the 2 storey section and a hip roof on the single storey section see figure 1. The bracing described in this brochure covers both framed roofs and fully trussed roofs.

There must be a minimum of two there is an error in nzs 3604 2011 which requires three that run from top plate to ridge.