Fix A Bowing Roof

If your roof is sagging wavy or bowing there are six important things in the attic to check from a structural standpoint.

Fix a bowing roof.

Next install and tape and finish new 5 8 in. What causes a sagging roof line. Centers shown in figure a. If you can see a dip curve or swag on the peak when standing in the street your roof has a problem.

Put in the remaining carriage bolts in 2 6 rafter and fix them tightly. Press the shingle down and apply a second bead of sealant on top of the crack. Add the 1 by furring strips on 16 in. Metal roofs cost on average 500 to 1 500 to repair improper installation fix loose seams or address any damaged fasteners.

Use 1x3s rather than 1x2s because it makes the drywall easier to hang. Drive the remaining carriage bolts into the two by six rafter and tighten them all up. Asphalt shingles cost roughly 500 to 1 000 to replace or repair 10 by 10 square feet section. This is the time to tighten the attached carriage bolts.

After measuring the damaged area between your roof trusses or rafters cut a piece of 1 2 plywood that will cover the area. It might be something. If the roof decking is damaged we recommend hiring a professional to get it fixed. If a shingle is simply cracked or torn you don t have to replace it just repair it.

Then lower the jack down a little at a time so that the metal can take the weight of the roof. But if your ceiling sags more than 3 4 in use 2x2s screw the 1x3s to the truss framing with 2 1 2 in. If there are more rafters that needs to be fixed follow the same instruction for all of them. Use your string line to determine how much the roof need to go up.

Drywall screws spaced every 2 ft. Moderate repairs are likely fixing and or sealing fixtures on the roof and replacing shingles and flashing around these objects. Remove the jack quickly and set the iron onto the entire beam. The best part of this fix is that no one has to know you made it.

Roof lines should be arrow straight. Wood shakes or cedar shingles repair will. 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. Glue a piece of 1 rigid styrofoam to the plywood.

However you can create a temporary solution by following the steps below. Then spread the sealant with a putty knife. Although we generally think of our roofs as one of the major components of our home that keeps us dry we also need to think of them as a key structural component.