Supporting Roofs With Brick Walls

In a shed roof the rafters intersect the wall at a right angle at their upper ends and their lower ends rest on the exterior wall of the addition.

Supporting roofs with brick walls.

The loss of roof coverings and roof decking can allow water to enter a building and damage or destroy interior finishes and contents or even worse may destabilize a structure and lead to building collapse. More modern roofs with w shaped roof trusses introduced in the late 1960s are designed to span right across the house from the main wall to another without internal support. In older houses the roof structure often relies on support from an internal wall. A lot depends on the roof construction.

The roof rafters must be sized to support the weight of the brick veneer with a deflection less than 1 600 of the span of the supporting member. A structural brick wall is built to actually support the building floors and roof. If you have a trussed rafter roof then the wall u may u be able to be removed with further consideration. Take away the wall and i can guarantee your ceiling won t look very good.

Engineered roof truss systems may be designed to eliminate the need for load bearing walls or change where the bearing walls are located. At a minimum a structural brick wall is comprised of at least two wythes of brick bonded together by bricks placed crosswise in the wall or by metal fasteners. One brick thick wall 40 m. If it s traditional then any internal walls could be supporting the ceiling joists.

All these roof systems are discussed herein. Supporting brick veneer can include steel angles bolted to wall framing or steel angles supported by beefed up rafters. The trusses on my father in law s house was designed to span the full width of the house even though there were walls that could be load bearing. Tear roof sheathing from supporting framing see figure 7 4 and rip roof framing from supporting walls.

Connecting a roof system to a concrete masonry wall is similar to connecting a floor system to a concrete masonry foundation wall in that most roof systems bear directly on. In both cases the weight of the roof is. A movement joint is required to be installed between veneers supported by foundation and veneers supported by wood or steel. The first is to support the brick veneer by a steel angle that bears directly on roof rafters.