Therefore giving them a good look is critical when addressing sagging bowed or wavy roofs.
Fixing uneven roof trusses.
If a lot of trusses are damaged or one has been significantly modified or cut then consulting a engineer is wise.
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.
Driving nails into it might make it worse place the plywood and styrofoam side up against the damaged roof decking.
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.
One of the most common causes of roof issues are problems related to the rafters or trusses.
They have issues for a wide variety of reason including damage from wind storms overloading from ice and snow leaks etc.
Each side of the iron should be four inches wide with the entire piece being at least two feet long.
This will give some added strength and take care of any cracks in the wood itself.
These will serve as patches to be installed on each side of the broken roof truss.
Two choices move one side of the trusses to square them up but thats a lot of work considering that you probably braced all the trusses you will need to cut all of the hurricane clips beat the trusses to the new layout than install new clips or.
When a truss becomes damaged cut or modified there is a chance of a structural overload or that they will not perform properly.
Glue a piece of 1 rigid styrofoam to the plywood.
These trusses are usually engineered by a structural engineering company to carry a specific roof load.
Cut each piece of sheathing.
The expanding roof stretcher used to push out the sag in the roof frame is mounted in place between a rafter pair.
Cut two pieces of lumber 4 feet long for the first phase of the repair.
Cut a piece of 1 2 inch plywood that will cover the area.
The free ends of the expander are bolted below mid span on a pair of sagged opposing rafters.
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.