Fix Sagging Roof Line

You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof.

Fix sagging roof line. A sagging roof line may original from the ceiling s horizontal rafters. It might be a simple fix that can be done by jacking up loose rafters adding struts or more economically by. To learn more about roofs and attics see these other blog posts. When the framing of the roof is put together quite frequently two of the ceiling rafters will be fixed together as this will create a much longer span.

Check the ceiling for sagging by attaching a string on one end of the beam and run it along the bottom edge of the beam. If the sagging roof is due to rotting or warping roof decking the repair will be much easier. The easiest way to straighten rafters is to jack them into position. Look for any kind of damage including rot cracks breaks and more.

This gives your roofer a chance to inspect the flashing and roof underlayment for damage. Typically they are lapped and then toe nailed together in its center so that the correct length can be achieved. Fortunately there are different ways to jack up 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.

Problems with and repairs to a sagging roof should be evaluated by professionals. Unfortunately most roof structural defects don t respond well to homeowner fixes and require professional evaluation and repair. Using a flashlight inspect the rafters and decking in your attic especially in the areas where your roof is sagging. Then inspect the metal or plywood gusset plates.

Why is my roof sheathing sagging between the trusses. Move the jack in increments of one inch to allow for the roof to be able to move with it without cracking. That s how to fix a sagging roof. Next place your piece of plywood and styrofoam foam side up against the damaged roof decking.

The first step is to the basement first. However the trick to this process is to do it very slowly so it may take a few weeks before you get the rafter into a position where it is straight again. If your roof is sagging under the weight of too many shingles ideally all the shingles should be removed and a new set installed.