Determine the extent of damage.
How to fix sagging roof on old house.
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.
You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof.
How to fix a sagging roof line.
The first step is to the basement first.
At the chimney the homeowner designed an inverted truss to straighten the sagged rafters.
To repair major foundation damage you ll need to talk with a construction professional.
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.
You may find that.
Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your.
Problems with the roof itself aren t the only reason a roof might sag.
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.
Typically the roof sheathing is about three eighths of an inch thick.
Being nervous about a sagging roof is understandable.
So what happens with those elements is that you get more sagging and delamination of the roof sheathing.
The other thing that causes this type of sag is an excessively long roof rafter without proper.
The first step is to find out how many rafters are sagging and if anything else is damaged.
With the inverted hinged truss in place a vertical wedge can be used to bend the sagged rafter upwards.
Most people without any construction experience know that a roof should be flat and not wavy or sagging.
How to straighten sagging roof rafters.
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.
And in a 30 year old house you tend to not have very much ventilation.
Screw a 2x4 about 12 long.
And a different approach is needed at the chimney in order to add rafter support to straighten the sagged roof.
Drill holes in angle iron.
In this case you ll probably notice tilting and cracks in your foundation.
Check the ceiling for sagging by attaching a string on one end of the beam and run it along the.
