Roof Truss Support Walls

A gable truss sits on the end wall of a structure and has vertical studs every 2 feet or 16 inches.

Roof truss support walls.

Inclined or horizontal member that establishes the bottom of a truss usually carrying combined tension and bending stresses. Elements that make a roof truss. Gable trusses are more expensive than common structural trusses because more lumber is required. Some roof truss types such as stub and dual pitch contain no center and therefore lack central support.

A gable truss isn t structural and needs a continuous bearing support underneath such as a beam or wall. Most simple construction truss roof home s roof and trusses are supported by the exterior walls perpendicular to the trusses. Structural support usually a beam or wall that is designed by the building designer to carry the truss reaction loads to the foundation. For example a gable end truss may be designed with support members that transmit the roof weight load outward to the side walls allowing the end wall directly below it to have breaks or openings in it that would otherwise be impossible.

As with any question individual building designs can differ and just because a. Engineered roof truss systems may be designed to eliminate the need for load bearing walls or change where the bearing walls are located. Usually trusses are put 24 inches apart. Bracing for putting up trusses as each truss is put up on top of opposite walls it must be put up straight and supported while the next truss is put up.