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.
How to fix a sagging roof.
That s how to fix a sagging roof.
Next place your piece of plywood and styrofoam foam side up against the damaged roof decking.
If that s what you re dealing with regarding your home take these steps to ensure your rafter or truss gets fixed properly.
Use your string line to determine how much the roof need to go up.
If the sagging roof is due to rotting or warping roof decking the repair will be much easier.
Sagging rafters can lead to serious problems with the entire roofing system.
Often a saggy roof can be repaired and reinforced.
You ll need a steel l channel to get your rafter or truss back into shape.
How to fix sagging roof trusses or 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.
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.
Spotting a sagging area in your roof is always worrying.
Push up on the plywood until the foam is touching the underside of the roof decking.
You will need to remove the shingles and the old decking however which means there will be an exposed hole in the 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.
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.