House Framing Roof Truss

Trusses are pre fabricated triangulated wooden structures used to support the roof.

House framing roof truss.

A truss is a prefabricated wooden structure that integrates a triangular webbing of structural members to provide support for the roof above while tying the outside walls of the house together. A mono truss is a one sloped truss that forms a right angle triangle. They support live and dead loads by efficiently transferring the loads to the building walls or supports. These trusses the meet building code criteria as specified by structural building components of america sbca and the truss plate institute tpi.

951 350 4880 acquire your construction trusses engineered wood products wall panels and smart components from california trusframe llc. Live loads are not always present. That is 25 less lumber which means more money in your pocket as the builder and more money in the pocket of the homeowner. Stick framing creates a triangle between the rafters and ceiling joists.

The long sloping beams extending to the top of the truss and the beam that runs horizontally along the bottom are called chords. This house uses trusses for the roof framing. It s often used for sheds garages or extension of an existing roof. Framing a roof is the last step in framing new construction.

While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below. Gable and hip roofs may be built primarily of trusses. Pre manufactured stock trusses are constructed with spruce pine fir spf or southern yellow pine syp lumber. Other roof shapes particularly those with dormers or on houses with cathedral ceilings attic rooms or attic storage areas are stick built.

Roof trusses are engineered wood alternatives to hand framed rafters. Trademark construction jmw truss and ace trucking provide full service rough framing coupled with panelized walls open web floor and roof truss systems throughout arizona central and southern california. A mono truss roof allows for more sunlight and visual space proper drainage and relatively cheaper. They are designed at a 4 12 pitch to be spaced 2 foot on center.

The alternative is to build up the roof s frame with 2x8s and 2x10s. Examples of live loads are snow wind rain and temporary construction loads. Trusses are quite common these days because they have five big advantages from the builder s standpoint.