If a roof dips in between rafters or trusses it s probably because the sheathing is too thin for the span.
Sagging roof on old house.
Fixing a sagging roof as soon as you spot it is very important otherwise you could find that the problem will only worsen over time and in the end you may need to have the entire roof replaced which could be extremely costly not to mention a lot of hassle.
No matter what the reason when you see a house with a sagging roof it tends to make you nervous even if you don t know precisely why.
If your roof is more than 30 years old rebuilding it will be the most effective approach to dealing with sagging.
Being nervous about a sagging roof is understandable.
Remedies for a sagging roof there are a number of remedies for traditional rafter style roof frames depending on the problem and its.
If your foundation has shifted or sunk your walls and roof might have shifted along with it.
If the sagging roof is due to rotting or warping roof decking the repair will be much easier.
If you have just stepped outside your house and realized that your roof is no longer straight this could signal a problem.
Step 1 the first step is to the basement first.
Most people without any construction experience know that a roof should be flat and not wavy or sagging.
Check the ceiling for sagging by attaching a string on one end of the beam and run it along the bottom edge of the beam.
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.
Sagging rafters can lead to serious problems with the entire roofing system.
If the line does not continually follow the bottom of the.
You can simply have the old sheathing replaced with better material when it s time for new roofing.
You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof.
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.
Straighten out your old house s sagging roof and get rid of those cracks in the wall with these easy to follow steps.