Sagging Roof Rafters Repair

The first step is to find out how many rafters are sagging and if anything else is damaged.

Sagging roof rafters repair. When the framing of the roof is put together quite frequently two of the ceiling rafters will be fixed together as this will create a much longer span. Glue a piece of 1 rigid styrofoam to the plywood. The roof rafters were bowed inwards on my home. You may find that several are in need of straightening and that some of the sheathing must be replaced.

A sagging roof line may original from the ceiling s horizontal rafters. Typically they are lapped and then toe nailed together in its center so that the correct length can be achieved. I did not really understand why until hurricane gustav came through and tore up the roof. Driving nails into it might make it worse place the plywood and styrofoam side up against the damaged roof decking.

Place a fascia board up under the roof sheathing and nail it with a hammer across the ends of the rafters to strengthen them. Fixing a truss or rafter. Problems with and repairs to a sagging roof should be evaluated by professionals. However it is important to fix the rafters before doing any other work to the roof.

When considering what to do about sags in a roof start by noticing if the sag is in sheathing between rafters page top photo0 or sagging along the length of the rafters. This article describes a diy repair project using a site built spreader to straighten sagged roof rafters and decking. I learned the house was originally designed for a. Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your roof is sagging.

Also inspect the metal or plywood gusset plates used where your wood meets on a truss look for damage that includes cracks rot breaks and any other impairment. Spread polyurethane glue into the crack with a stiff bristle brush. Force open the cracked end of a sagging rafter with a wood chisel. The fix here is to replace the thin sheathing with thicker sturdier sheathing.

Remove the chisel and wet the crack with a wet rag. After measuring the damaged area between your roof trusses or rafters cut a piece of 1 2 plywood that will cover the area.