You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof.
Sagging garage roof repair.
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.
Next place your piece of plywood and styrofoam foam side up against the damaged roof decking.
Sagging rafters can lead to serious problems with the entire roofing system.
Safeway carpentry and doors has a great deal of experience in repairing and replacing garage roofs garage siding garage door openers garage doors and the concrete in and around a garage.
Use your string line to determine how much the roof need to go up.
A sagging garage roof a leaning garage or a garage in need of straightening can lead to other problems.
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.
That s how to fix a sagging roof.
While some sagging roof causes can easily be handled by anyone who has a little diy knowledge some problems are a lot more complex and need the help of a professional to repair.
Follow the simple steps below to effectively repair a garage roof that is sagging.
Push up on the plywood until the foam is touching the underside of the roof decking.
If the sagging roof is due to rotting or warping roof decking the repair will be much easier.
This is the easiest problem to repair.
Try to rope in a friend or two as the beams can be heavy and try to plan your renovation project for a sunny weekend.
You can therefore easily identify whether your roof is sagging if you can see a swag curve or dip at its peak when you stand on the street.
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.
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.