How to fix sagging roof trusses or rafters.
How much to fix a sagging roof.
150 to 400 for minor repairs 400 to 1000 for moderate repairs 1000 to 3000 for major repairs.
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.
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.
Often a saggy roof can be repaired and reinforced.
Sagging rafters can lead to serious problems with the entire roofing system.
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.
When considering what to do about sags in a roof start by noticing if the sag is in sheathing between rafters page top photo0 or sagging along the length of the rafters.
Spotting a sagging area in your roof is always worrying.
Sagging roof repair costs can vary if extra weight is the problem additional joists or rafters can be added to shore up the additional weight which can cost between 1 000 and 2 000 depending on how many are needed.
Starting at the end that s the most difficult to.
Remove any pieces of wood broken scraps that could get in your way using a chisel.
Next use a chisel to remove any pieces of wood such as splinters or broken scraps that may get in the way of your repair.
Drill four holes in each side of the l.
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.
This article describes a diy repair project using a site built spreader to straighten sagged roof rafters and decking.
Fixing a truss or rafter.
If the sagging roof is due to rotting or warping roof decking the repair will be much easier.
But let s begin with the primary reason for this guide the expected cost range for a typical roof repair.
First use your drill to drill four holes in each side of the l.
To get your truss or rafter back into shape you can use a steel l channel.
If you have just stepped outside your house and realized that your roof is no longer straight this could signal a problem.
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.
Sometimes a roof can sag because it has become waterlogged and the internal structure is irreparably damaged.
