Sagging Roof Ridge Beam
If the beam is not properly nailed it can also pull loose and this contributes to.
Sagging roof ridge beam. The beam is attached to both exterior walls and to the bottom of each sloping rafter to give the roof strength. Ridge beam or ridge board sagging or damaged roofs may sag because a ridge beam or ridge board is cracked or damaged. Straighten out your old house s sagging roof and get rid of those cracks in the wall with these easy to follow steps. Rafter ties another cause.
Step 1 the first step is to the basement first. The weight of the roof will create pressure and then the hangers may pull away from their beam causing the walls on the exterior to come outwards to cause a visibly sagging roof line on the top of your roof.