Exterior Wall Roof Load

Loads are transferred downward and outward through sloping rafters the lower ends of which rest on the top plates of the exterior walls.

Exterior wall roof load.

The vertical load on the roof is transferred to the walls. The upward movement of the wind exerts an uplift load on the roof and. When wind hits the exterior wall of a building the wind s energy disperses upward and downward along the wall. Exterior walls are walls that form the perimeter or outer footprint of a house.

Foundation wall gravity and soil lateral loads headers girders joists interior load bearing walls and columns footings gravity loads exterior load bearing walls and columns gravity and transverse lateral load 3 roof rafters trusses and beams. The distance in this case is 12 ft 2 ft 14 ft. Posts on either side of the openings support the beams. Although they don t bear the full weight load of the roof the gable end walls are also typically load bearing and an interior wall running parallel to the roof ridge in the center of the building often bears a load from the ridge.

The exterior wall and the headers within will carry all loads from the mid point of the house between the supporting walls to the outside of the house including the roof overhang. Remember these loads are distributed uniformly over the entire surface of the roof. Where there are windows and doors the walls include beams or headers spanning across the tops of the openings. Is an exterior wall load bearing.