Fixing Uneven Roof Trusses

Because driving nails up into the sheathing material will make things worse glue a piece of 1 inch rigid styrofoam to your piece of plywood.

Fixing uneven roof trusses. They have issues for a wide variety of reason including damage from wind storms overloading from ice and snow leaks etc. After measuring the damaged area between your roof trusses or rafters cut a piece of 1 2 plywood that will cover the area. Drill holes in angle iron to keep the rafter from buckling again you will need to secure it with a piece of 1 2 inch angle iron. Cut a piece of 1 2 inch plywood that will cover the area.

Each side of the iron should be four inches wide with the entire piece being at least two feet long. These trusses are usually engineered by a structural engineering company to carry a specific roof load. The free ends of the expander are bolted below mid span on a pair of sagged opposing rafters. Therefore giving them a good look is critical when addressing sagging bowed or wavy roofs.

Driving nails into it might make it worse place the plywood and styrofoam side up against the damaged roof decking. This will give some added strength and take care of any cracks in the wood itself. As work progresses hanging the roof sag remover tool from one of the new collar ties already in place eases holding it in place for bolting. By dropping the top chord of a hip truss a framer can can install lay in gable trusses which sit flush with the top chord of the trusses on the opposite side of the hip giving framers an even surface to sheath.

Cut each piece of sheathing. If a lot of trusses are damaged or one has been significantly modified or cut then consulting a engineer is wise. When a truss becomes damaged cut or modified there is a chance of a structural overload or that they will not perform properly. One of the most common causes of roof issues are problems related to the rafters or trusses.

Glue a piece of 1 rigid styrofoam to the plywood. The expanding roof stretcher used to push out the sag in the roof frame is mounted in place between a rafter pair. These will serve as patches to be installed on each side of the broken roof truss.