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 garage roof.
How to fix a sagging garage roof step by step guide written by kellan jansen.
Next place your piece of plywood and styrofoam foam side up against the damaged roof decking.
That s how to fix a sagging roof.
A sagging garage roof repair isn t an overwhelming task but it is best to get the job done before it becomes a major roof replacement.
Rotten or saturated sheathing can also cause roof lines to sag.
Follow the simple steps below to effectively repair a garage roof that is sagging.
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.
In some cases roof sagging problems are not caused by framing issues.
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.
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.
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.
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.
This is the easiest problem to 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.
Garages are an excellent addition to any home.