Roof Plane Brace Nz

Gable roofs were braced with diagonal braces that were either 6 x 1 150 x 25 mm solid bracing cut in between rafters or a surface brace fixed below the rafters figure 3.

Roof plane brace nz.

The lower roof plan area no soffit 7 040 6 2 8 1 3 1 6 2 3 1 68 7 m. Roof planes less than 6m2 e g. Bracing required in monopitch roofs 30 october 2014 clause 10 3 4 in nzs 3604 2011 timber framed buildings doesn t require diagonal strap bracing in the roof plane if the supporting braced wall frames extend up to the underside of the rafters and the rafters have a sheet ceiling attached directly to their underside. Strip brace provides an ideal bracing system for walls or roof plane.

One roof brace is required per 50 m with a minimum of two per ridge line. Dormers porches do not require bracing. Pryda has been an integral part of the building industry in new zealand for over 50 years particularly in timber truss and frame solutions with the development of a diverse. For roofs the out of plane component of the dead load of the roofing and purlins is assumed to be carried in tension by fastbrace or bolted brace channels tied across the ridge or into the ridge beam for monoslope roofs.

One roof brace is required per 50 m with a minimum of two per ridge line. Temporary bracing for gable end roof. Upper storey solution a minimum of two braces are required for the upper storey roof see figure 1. Braces are marked in red a and b.

Strip brace provides an ideal bracing system for walls or roof plane. Roof area is the actual plan area of the roof and includes overhangs. Upper storey solution a minimum of two braces are required for the upper storey roof see figure 1. Roof braces are not required on roofs where sarking is installed as per nzs 3604 2011 clause 10 4 4 or where a ceiling diaphragm is installed and is attached to the rafters.

Fix using 5 x lumberlok product nails 30mm x 3 15mm diameter at each end. Roof braces can consist of either i roof plane brace or ii roof space brace or combination of the two. Method 1 post wall frame. 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 space bracing was provided by a bracing member running from the ridge board at the gable end to an internal wall top plate figure 4. The lower roof plan area no soffit 7 040 6 2 8 1 3 1 6 2 3 1 68 7 m. Braces are marked in red a and b. Strip brace is supplied in coils for use as bracing or use in short lengths as a jointing material.

One crossed pair of strips may be used in each location where a diagonal brace is required. Method 2 prop to ground.