Exterior Wall Roof Load

Roof and wall sheathing gravity and wind loads floor diaphragms and shear walls.

Exterior wall roof load.

Is an exterior wall load bearing. The upward movement of the wind exerts an uplift load on the roof and. 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. Loads are transferred downward and outward through sloping rafters the lower ends of which rest on the top plates of the exterior walls.

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 vertical load on the roof is transferred to the walls. Exterior walls are almost always load bearing. The distance in this case is 12 ft 2 ft 14 ft.

When wind hits the exterior wall of a building the wind s energy disperses upward and downward along the wall. Where there are windows and doors the walls include beams or headers spanning across the tops of the openings. 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. Exterior walls are walls that form the perimeter or outer footprint of a house.