Step 4 strengthen the beams.
Fix sagging roof garage.
In some cases roof sagging problems are not caused by framing issues.
This is the easiest problem to repair.
Gradually work along all the beams pushing the roof up as you go.
If the line does not continually follow the bottom of the beam and the bottom of the beam is below the line the beam is sagging.
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.
Install angle iron with the joist back in its original position place one section of the angle iron on the uppermost section of the rafter just before the area where it is sagging or broken.
It may be necessary to tear up shingles to fix a sagging roof.
A sagging garage roof a leaning garage or a garage in need of straightening can lead to other problems.
It is best to do all repairs from the top of the roof which means you will have to tear up shingles and other coverings as well as the roof decking in some cases.
Fixing a sagging roof by bolstering the beams 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.
The first step is to the basement first.
Attach it to the beam with carriage bolts but do not tighten completely.
Next place your piece of plywood and styrofoam foam side up against the damaged roof decking.
Push up on the plywood until the foam is touching the underside of the roof decking.
Any sagging will gradually be lifted and by the time you have finished the garage roof repair your roof should but upright again.
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 necessary use something to force the roof up while you work the beams into place and fasten them.