Steel Roof Truss Bracing

Easier to install than wood bracing.

Steel roof truss bracing.

There are several reasons for truss bracing in a roof or floor structure. It is very important that the contractor or homeowner responsible for truss erection read through all documents inside the job packet. During construction before all of the components of a truss system are in place bracing acts to hold members upright straight and in place. This temporary restraint typically may not be the responsibility of the structural engineer.

To strengthen the roof system truss clustering cross bracing and wind bracing is recommended at both end of the buildings and every 20 for longer span buildings. Bracing of trusses is extremely important. Such bracing allows the buckling length of the bottom chord to be limited out of the plane of the truss to the distance between points laterally restrained. The diagonal members transfer the restraint forces to the level of the top chord where the general roof bracing is provided.

Trusses which are not braced or which are not braced correctly are subject to toppling over or collapse. 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. Purlins 24 oc are typical along with the bottom bracing shown. Simpson strong tie galvanized steel truss spacer it is a time saving lateral restraint product for wood and cfs framing that improves quality and safety.