Using 3 8 x 2 lag.
Roof sagging between rafters.
Prevent this unfortunate series of events by bracing your rafters to make them sturdy and resistant to snow loads and wind.
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.
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.
Fixing a truss or rafter.
Here s some examples of how it can happen.
Roof sheathing sags for the same reason any component of a home that spans between two bearing points sags.
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.
Drill four 3 8 holes in the base of the steel angle stock and four holes in the side.
If the framing is sound and problems are not found elsewhere but the roof still sags the problem might have originated because of poor installation of the plywood sheathing or shingles.
Sagging rafters are a sign that a house is in serious trouble.
If the roof sags between the rafters or trusses the most likely cause is sheathing that s too thin for the area it covers.
Sagging rafters can lead to serious problems with the entire roofing system.
Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your roof is sagging.
Roof sagging in between trusses 1.