Spotting a sagging area in your roof is always worrying.
How to fix a sagging roof.
That s how to fix a sagging roof.
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.
In many cases you ll need to fix sagging trusses or rafters to repair your roof.
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.
Next place your piece of plywood and styrofoam foam side up against the damaged roof decking.
If that s what you re dealing with regarding your home take these steps to ensure your rafter or truss gets fixed properly.
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.
Often a saggy roof can be repaired and reinforced.
If the sagging roof is due to rotting or warping roof decking the repair will be much easier.
Push up on the plywood until the foam is touching the underside of the roof decking.
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.
You ll need a steel l channel to get your rafter or truss back into shape.
You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof.
Fixing a sagging roof by bolstering the beams.
How to fix sagging roof trusses or rafters.