Roof Sagging Between Rafters

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.

Roof sagging between rafters.

Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your roof is sagging. Before fixing the problem however it is important to identify the exact cause of the problem. This article describes a diy repair project using a site built spreader to straighten sagged roof rafters and decking. When considering what to do about sags in a roof start by noticing if the sag is in sheathing between rafters page top photo0 or sagging along the length of the rafters.

Problems with the roof itself aren t the only reason a roof might sag. On average a roof lasts between 15 to 30 years depending on the design the materials used and your climate. When the roof framing is assembled two ceiling rafters are often joined together to create a longer span. If your ceiling drywall is sagging between joists sometimes called pillowing it s probably on the top floor and attached to the roof trusses.

If so i bet the installers used 1 2 in. Prevent this unfortunate series of events by bracing your rafters to make them sturdy and resistant to snow loads and wind. Roof rafter decking sagging. Sagging rafters can lead to serious problems with the entire roofing system.

When sagging gets too severe it can lead to roof collapse and once the roof goes the house won t last for long. Some problems relating to a sagging roof line should definitely be evaluated by a professional in the roofing industry. When rain water comes through your roof s shingles the plywood will wrap rot or weaken and this will make the roof look like it is sagging between its rafters. Fixing a truss or rafter.

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 roof is more than 30 years old rebuilding it will be the most effective approach to dealing with sagging. Drywall instead of 5 8 in. Sagging roof lines can originate with the horizontal ceiling rafters.