Garage Roof Is Sagging

The reason for the sag is probably that there were no rafter ties in the structure to begin with.

Garage roof is sagging.

Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your roof is sagging. When the roof framing is assembled two ceiling rafters are often joined together to create a longer span. In most cases a sagging roof is caused either by a broken rafter or roof decking but in some more severe instances a damaged or sinking foundation can be the underlying cause of the problem. Follow the simple steps below to effectively repair a garage roof that is sagging.

A sagging roof line may original from the ceiling s horizontal rafters. When the framing of the roof is put together quite frequently two of the ceiling rafters will be fixed together as this will create a much longer span. Sagging roof lines can originate with the horizontal ceiling rafters. Typically they are lapped and then toe nailed together in its center so that the correct length can be achieved.

Fixing a truss or rafter. Also inspect the metal or plywood gusset plates used where your wood meets on a truss look for damage that includes cracks rot breaks and any other impairment. 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. Your advisor is facing the right direction but has missed most of the details.

That they exist now might serve to keep it from getting worse but now that it has been done and re shingled.