Roof Sagging Between Rafters

Sagging sheathing between rafters may be due to rot delamination use of fiberboard or other materials that may not perform well over the life of a home or due use of too thin plywood roof decking to start with.

Roof sagging between rafters.

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. Because it was structurally inadequate when installed or has deteriorated over time. Prevent this unfortunate series of events by bracing your rafters to make them sturdy and resistant to snow loads and wind. Fixing a truss or rafter.

Sagging rafters are a sign that a house is in serious trouble. Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your roof is sagging. Using 3 8 x 2 lag. 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 sheathing sags for the same reason any component of a home that spans between two bearing points sags. Sagging rafters can lead to serious problems with the entire roofing system. Roof sagging in between trusses 1. When sagging gets too severe it can lead to roof collapse and once the roof goes the house won t last for long.

Place the side holes about 1. The fix here is to replace the thin sheathing with thicker sturdier sheathing. Remove any broken splinters of wood that may prevent the rafter or truss member from re aligning itself. Here s some examples of how it can happen.