Truss Roof Load Bearing Wall

Joists are rarely continuous over the top of a wall instead they are often spliced over the top of the wall as dimensional lumber only available in specific lengths.

Truss roof load bearing wall. If there is a column that supports the truss found in the wall the wall still would not be load bearing because the column is taking the load. 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. Engineered roof truss systems may be designed to eliminate the need for load bearing walls or change where the bearing walls are located. With your trusses spanning the exterior walls for the full run of the house no interior walls will be load bearing the splices on trusses are engineered to be self supportive according to the plate sizing the fact that they land over an interior wall has nothing to do with that wall being load bearing trusses are engineered to span exterior wall to exterior wall self supporting.

Load bearing interior wall under truss roof. When joists trusses are perpendicular to the wall and bear o n the top of the wall that wall is bearing wall. Having said that i d still just put a dbl 2x10 w ply flitch header in call it a day. If truss was build as a one piece truss it shouldn t be center bearing.