If you can see a dip curve or swag on the peak when standing in the street your roof has a problem.
Repairing a sagging dip in roof.
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.
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 you notice that there is a visible dip in your roof chances are you have a problem with one or several rafters and you may soon be facing more issues like water leaks bowed out walls or your roof caving in on you.
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.
Use your string line to determine how much the roof need to go up.
Sagging rafters can lead to serious problems with the entire roofing system.
If a roof dips in between rafters or trusses it s probably because the sheathing is too thin for the span.
It might be something.
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.
Often a saggy roof can be repaired and reinforced.
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.
Remedies for a sagging roof there are a number of remedies for traditional rafter style roof frames depending on the problem and its.
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.
The most important step when fixing dips in a flat roof is to determine the cause of the problem.
You can simply have the old sheathing replaced with better material when it s time for new roofing.
Spotting a sagging area in your roof is always worrying.
