Repairing A Sagging Dip In Roof

Spotting a sagging area in your roof is always worrying.

Repairing a sagging dip in roof.

The most important step when fixing dips in a flat roof is to determine the cause of the problem. While a little sagging doesn t necessarily mean your roof is in imminent danger of collapse it does mean you need to act soon to save the structure. Sagging rafters can lead to serious problems with the entire roofing system. 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.

Roof leak leakage of the roofing that has caused rot and partial collapse of the sheathing in the area of the leak is the 1 cause of a roof dip. 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. Weakened sheathing rotting joists and sagging insulation are some possible causes. If a roof dips in between rafters or trusses it s probably because the sheathing is too thin for the span.

Remedies for a sagging roof there are a number of remedies for traditional rafter style roof frames depending on the problem and its. It often occurs next to a roof penetration such as a chimney or dormer or at the edge of the roof as in the photo above and is easily verified by checking the area in the attic. Roof lines should be arrow straight. While some sagging roof causes can easily be handled by anyone who has a little diy knowledge some problems are a lot more complex and need the help of a professional to repair.

You can therefore easily identify whether your roof is sagging if you can see a swag curve or dip at its peak when you stand on the street. If you can see a dip curve or swag on the peak when standing in the street your roof has a problem. It might be something. What causes a sagging roof line.

You can simply have the old sheathing replaced with better material when it s time for new roofing.