Flat Roof Sagging Repair

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 the old sheathing and install larger rafters while the roof frame is exposed.

Flat roof sagging repair. Determining the problem determine where the sag is in your roof in relation to your attic. Remedies for a sagging roof there are a number of remedies for traditional rafter style roof frames depending on the problem and its severity. Clean the area thoroughly to ensure the primer gets a good bond before priming the area. If the sagging roof is due to rotting or warping roof decking the repair will be much easier.

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. Fixing sagging flat roof joists you will have to register or login see top or bottom of page before you can post a message or view images. The most important step when fixing dips in a flat roof is to determine the cause of the problem. If structural damage or decomposition is to blame it may be best to tear out the section of roofing and repair the problem before filling the hole.

Start by fastening temporary wood blocks to the rafter tails image 1. Installing new heavier roofing materials or multiple layers of shingles can cause rooftop sagging even on well built roofs. Click the appropriate link to proceed. How to repair a sagging support beam step 1.

For small ponding areas 3 x3 a 5 gallon kit can be used. This will protect the original porch. With the old beam uncovered the temporary beam can be placed on the braces you ve made images 1 and 2. On the other hand a property owner might replace the shingles with materials that are inappropriate for the roof s acceptable weight limit such as installing clay tiles in lieu of wooden shingles.

Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your. Also inspect the metal or plywood gusset plates used where your wood meets on a truss. You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof. The next step is to.

To start viewing messages select the forum that you want to visit from the selection below. The ideal fix is to remove all the excessive shingles and replace them. Multiple layers of shingles and new roofing material that s heavier than the roof was designed for can cause sagging even in a well constructed roof.