Trussed Rafter Roof Bracing

Trussed rafters must be braced to create a rigid and stable roof structure.

Trussed rafter roof bracing.

Longitudinal bracing or binders longitudinal bracing assists in restraining the trussed rafters and holding them in their correct position particularly during tiling and fixing of plasterboard. Applicable to all trussed rafter roofs unless rigid sarking such as timber boarding or plywood is used. Diagonal rafter bracing should be approximately 45 to the rafters on plan. The trussed rafter association publishes a wide range of roof construction technical advice and product information on trussed rafters and metal web joists.

J longitudinal bracing members should extend over the whole length of the roof and. Bracing for roofs less than 6 6m wide on detached or staggered stepped buildings. Some of this information is available free of charge to all specifiers designers contractors builders manufacturers and other construction industry professionals. Bracing responsibility the building designer and not the trussed rafter supplier is.

This information sheet gives a summary of the standard bracing requirements given in bs 5268 3. If the bracing is omitted wrongly positioned or badly fixed it may result in distortion or failure of individual trusses or in some instances the whole roof. Some is restricted to. Bracing for larger roofs.

Of trussed rafter roofs the brace will be equally effective if placedon either diagonal. Bracing for roofs that are approximately square. Least two trussed rafters and nailed as g above. Why brace trussed rafter roofs.

Trussed rafters must be braced to create a rigid and stable roof structure. If the bracing is omitted wrongly positioned or badly fixed it may result in distortion or failure of individual trusses or in some instances the whole roof. Standard bracing of room in roof trussed rafter roofs download. Trussed rafter roof bracing systems are designed to provide adequate stability to the entire roof structure and it is recognised that providing the straps are located at suitable positions and centres to accommodate the requirements for wall restraint the longitudinal bracing members generally comprising 25mm x100mm sawn timber together with their fixings to the trussed rafters should be adequate to transfer the forces from the restraint straps to the roof construction.