Roof Truss Support Walls

Some roof truss types such as stub and dual pitch contain no center and therefore lack central support.

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

Inclined or horizontal member that establishes the bottom of a truss usually carrying combined tension and bending stresses. 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. We usually build on the exterior walls set the trusses and do all of the chord blocking and truss bracing before building the interior walls since it is easier to roll a scaffold around on an empty open floor.

Elements that make a roof truss. As with any question individual building designs can differ and just because a. Most simple construction truss roof home s roof and trusses are supported by the exterior walls perpendicular to the trusses. Engineered roof truss systems may be designed to eliminate the need for load bearing walls or change where the bearing walls are located.