How To Fix A Sagging Flat Roof

How to straighten sagging roof rafters.

How to fix a sagging flat roof.

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. And in a 30 year old house you tend to not have very much ventilation. Step 1 the first step is to the basement first. Straighten out your old house s sagging roof and get rid of those cracks in the wall with these easy to follow steps.

Also inspect the metal or plywood gusset plates used where your wood meets on a truss. Typically the roof sheathing is about three eighths of an inch thick. If the roofing materials are not in good condition replace the shingles and flashing. The first step is to find out how many rafters are sagging and if anything else is damaged.

Determining the problem determine where the sag is in your roof in relation to your attic. Drill holes in angle iron. Remedies for a sagging roof there are a number of remedies for traditional rafter style roof frames depending on the problem and its severity. Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your.

You may find that. The sagging may be directly repaired with the installation of angled braces that shore up the rafters. 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. 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.

So what happens with those elements is that you get more sagging and delamination of the roof sheathing. Determine the extent of damage. If a roof dips in between rafters or trusses it s probably because the sheathing is too thin for the span. If the sagging roof is due to rotting or warping roof decking the repair will be much easier.