Fix Sagging Roof Ridge

Problems with the roof itself aren t the only reason a roof might sag.

Fix sagging roof ridge.

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 rafters are still sagging a bit and it is causing your roof to dish out a little in the center of the roof sides add a 2x4 that goes all the way across the rafters in the center of the length of the rafters. If that s what you re dealing with regarding your home take these steps to ensure your rafter or truss gets fixed properly. How to fix sagging roof trusses or rafters.

Sagging rafters can lead to serious problems with the entire roofing system. On average a roof lasts between 15 to 30 years depending on the design the materials used and your climate. This article series describes explains the directions of forces in roof structures illustrating downwards force horizontal thrust and the causes of rafter sags rafters that disconnect from the ridge or top plate and why a sagging roof pushes the building walls outwards at the wall top. You ll need a steel l channel to get your rafter or truss back into shape.

Next place your piece of plywood and styrofoam foam side up against the damaged roof decking. Use your string line to determine how much the roof need to go up. Push up on the plywood until the foam is touching the underside of the roof decking. If you have just stepped outside your house and realized that your roof is no longer straight this could signal a problem.

The ridge board provides a stable nailing surface and adds some lateral stability whereas a ridge beam is a structural support member that eliminates the need for a connection between the end walls to avoid spread. That s how to fix a sagging roof. After that use a piece of lumbar strapping to keep the plywood in place until you can get a roofing repair expert to fix it. In many cases you ll need to fix sagging trusses or rafters to repair your roof.