How To Fix A Sagging Roof

Use your string line to determine how much the roof need to go up.

How to fix a sagging roof.

Next place your piece of plywood and styrofoam foam side up against the damaged roof decking. While a little sagging doesn t necessarily mean your roof is in imminent danger of collapse it does mean you need to act soon to save the structure. Spotting a sagging area in your roof is always worrying. Often a saggy roof can be repaired and reinforced.

This may be problematic in winter months but allowing the roof to continue to sag can lead to greater problems such as a cave in. Sagging rafters can lead to serious problems with the entire roofing system. That s how to fix a sagging roof. If you notice that there is a visible dip in your roof chances are you have a problem with one or several rafters and you may soon be facing more issues like water leaks bowed out walls or your roof caving in on you.

You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof. Push up on the plywood until the foam is touching the underside of the roof decking. If your rafters are still sagging a bit and it is causing your roof to dish out a little in the center of the roof sides add a 2x4 that goes all the way across the rafters in the center of the length of the rafters. After that use a piece of lumbar strapping to keep the plywood in place until you can get a roofing repair expert to fix it.

In many cases you ll need to fix sagging trusses or rafters to repair your roof. Bolstering the beams of your roof is another solution to repairing a sagging roof however it is often something that requires assistance from another able bodied person since beams can be extremely heavy. How to fix sagging roof trusses or rafters. Fixing a sagging roof by bolstering the beams.