Roof Truss Support Walls

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.

Roof truss support walls.

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. A gable truss isn t structural and needs a continuous bearing support underneath such as a beam or wall. Gable trusses are more expensive than common structural trusses because more lumber is required. Usually trusses are put 24 inches apart.

Some roof truss types such as stub and dual pitch contain no center and therefore lack central support. To hold them up until the decking of the roof is placed on top a 12 foot 1 inch by 4 inch piece of lumber is used. Structural support usually a beam or wall that is designed by the building designer to carry the truss reaction loads to the foundation. Most simple construction truss roof home s roof and trusses are supported by the exterior walls perpendicular to the trusses.

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. Elements that make a roof truss. Inclined or horizontal member that establishes the bottom of a truss usually carrying combined tension and bending stresses.