Also inspect the metal or plywood gusset plates used where your wood meets on a truss.
How to fix sagging roof on old house.
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 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.
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.
Drill holes in angle iron.
In this case you ll probably notice tilting and cracks in your foundation.
You may find that.
How to straighten sagging roof rafters.
With the inverted hinged truss in place a vertical wedge can be used to bend the sagged rafter upwards.
How to fix a sagging roof line.
Check the ceiling for sagging by attaching a string on one end of the beam and run it along the.
Fixing a sagging roof by bolstering the beams bolstering the beams of your roof is another solution to repairing a sagging roof however it is often something that requires assistance from another able bodied person since beams can be extremely heavy.
To repair major foundation damage you ll need to talk with a construction professional.
After your floor is straight it is time to concentrate on the next floor s ceiling.
If your roof is more than 30 years old rebuilding it will be the most effective approach to dealing with sagging.
And a different approach is needed at the chimney in order to add rafter support to straighten the sagged roof.
Typically the roof sheathing is about three eighths of an inch thick.
Determine the extent of damage.
So what happens with those elements is that you get more sagging and delamination of the roof sheathing.
Being nervous about a sagging roof is understandable.
The other thing that causes this type of sag is an excessively long roof rafter without proper.
At the chimney the homeowner designed an inverted truss to straighten the sagged rafters.
And in a 30 year old house you tend to not have very much ventilation.
Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your.
Determining the problem determine where the sag is in your roof in relation to your attic.
Problems with the roof itself aren t the only reason a roof might sag.
You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof.
