Exterior Wall Roof Load

When wind hits the exterior wall of a building the wind s energy disperses upward and downward along the wall.

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. 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. Where there are windows and doors the walls include beams or headers spanning across the tops of the openings. Exterior walls are almost always load bearing.

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. The vertical load on the roof is transferred to the walls. In this roof design the exterior walls on which the roof s sloping rafters rest are load bearing walls.

Is an exterior wall load bearing. Posts on either side of the openings support the beams. 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. Exterior walls are walls that form the perimeter or outer footprint of a house.