How To Fix A Sagging Flat Roof

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How to fix a sagging flat roof.

You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof. If the sagging roof is due to rotting or warping roof decking the repair will be much easier. And in a 30 year old house you tend to not have very much ventilation. If the roofing materials are not in good condition replace the shingles and flashing.

The sagging may be directly repaired with the installation of angled braces that shore up the rafters. 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. Drill holes in angle iron. Determining the problem determine where the sag is in your roof in relation to your attic.

Determine the extent of damage. So what happens with those elements is that you get more sagging and delamination of the roof sheathing. Straighten out your old house s sagging roof and get rid of those cracks in the wall with these easy to follow steps. The first step is to find out how many rafters are sagging and if anything else is damaged.

Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your. Often the framing can be bolstered and beefed up internally but if the roofing material needs replacement anyway it may be best to tear off. You can simply have the old sheathing replaced with better material when it s time for new roofing. This may be problematic in winter months but allowing the roof to continue to sag can lead to greater problems such as a cave in.

Also inspect the metal or plywood gusset plates used where your wood meets on a truss. A poorly designed gutter should be replaced to prevent water from pooling on the roof and the resulting water damage that causes sagging. Typically the roof sheathing is about three eighths of an inch thick. How to straighten sagging roof rafters.