House Framing Roof Truss

Live loads are not always present.

House framing roof truss. This house uses trusses for the roof framing. Trusses are pre fabricated triangulated wooden structures used to support the roof. Other roof shapes particularly those with dormers or on houses with cathedral ceilings attic rooms or attic storage areas are stick built. The long sloping beams extending to the top of the truss and the beam that runs horizontally along the bottom are called chords.

Examples of live loads are snow wind rain and temporary construction loads. It s often used for sheds garages or extension of an existing roof. These trusses the meet building code criteria as specified by structural building components of america sbca and the truss plate institute tpi. That is 25 less lumber which means more money in your pocket as the builder and more money in the pocket of the homeowner.

Gable and hip roofs may be built primarily of trusses. A mono truss roof allows for more sunlight and visual space proper drainage and relatively cheaper. Roof trusses are manufactured ready to install. 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.

They are designed at a 4 12 pitch to be spaced 2 foot on center. 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. Trusses are quite common these days because they have five big advantages from the builder s standpoint. The alternative is to build up the roof s frame with 2x8s and 2x10s.

A stick framed house used 20 643 board feet of lumber while a component framed house including roof trusses used only 15 052 board feet of lumber. 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. Pre manufactured stock trusses are constructed with spruce pine fir spf or southern yellow pine syp lumber. They support live and dead loads by efficiently transferring the loads to the building walls or supports.

951 350 4880 acquire your construction trusses engineered wood products wall panels and smart components from california trusframe llc. Dead loads are always present. A mono truss is a one sloped truss that forms a right angle triangle.