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.
How much to repair a sagging roof.
Each of these old sheets was 2 feet wide.
How to fix sagging roof trusses or rafters.
But for now hopefully the following pictures and instructions will help you figure out how to fix your own sagging roof.
Remove any pieces of wood broken scraps that could get in your way using a chisel.
Deteriorating floor joists posts or beams can be caused by termite infestation water damage or dry rot.
The extent of the damages to the barn roof.
Starting at the end that s the most difficult to.
But let s begin with the primary reason for this guide the expected cost range for a typical roof repair.
Step 2 determine the extent and area that you intend to repair or replace.
You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof.
Next place your piece of plywood and styrofoam foam side up against the damaged roof decking.
150 to 400 for minor repairs 400 to 1000 for moderate repairs 1000 to 3000 for major repairs.
If the sagging roof is due to rotting or warping roof decking the repair will be much easier.
For this example we will be demonstrating a brief step by step guide on how to repair a wooden roof joist using timber materials.
How to fix a sagging roof line.
Screw a 2x4 about 12 long.
You ll need a steel l channel to get your rafter or truss back into shape.
Often a saggy roof can be repaired and reinforced.
Replacing joists costs around 100 to 300 for each new joist.
There were 3 sheets hanging down inside the barn toward the front end.
Check the ceiling for sagging by attaching a string on one end of the beam and run it along the.
Floor joists and posts support the flooring and damage to them is the most common cause of a sagging floor.
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.
Step 1 remove any visible rotten wood with a chisel.
After that use a piece of lumbar strapping to keep the plywood in place until you can get a roofing repair expert to fix it.
The wood should come away quite easily without much force.
Push up on the plywood until the foam is touching the underside of the roof decking.
After your floor is straight it is time to concentrate on the next floor s ceiling.
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.
Sometimes a roof can sag because it has become waterlogged and the internal structure is irreparably damaged.
Drill four holes in each side of the l.
That s how to fix a sagging roof.
