Sagging rafters are a sign that a house is in serious trouble.
Roof sagging do to inproper bracing.
Another approach is to give more support to the walls by installing chains attached to the wall plates and linked in the middle with a turnbuckle.
Depending on the degree of sagging your contractor might need to use jack posts to raise the roof before installing any reinforcement.
Prevent this unfortunate series of events by bracing your rafters to make them sturdy and resistant to snow loads and wind.
Some barns require at least one come along as a permanent fixture strung across the haymow to keep them from continuing to buckle outward.
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.
It is best to brace the inside of the trusses before handling them.
A ridge that droops in the middle forming that unintentional western design feature likely is due to undersized rafters and or missing or inadequate internal bracing rafter or collar ties.
The help of a second or third person is necessary even to lift a truss onto a single story roof.
Step 2 lift trusses onto roof.
Install 2x4s at a 45 degree angle.
Being nervous about a sagging roof is understandable.
Undersized rafters also can cause sagging along the whole side or plane of a roof.
When sagging gets too severe it can lead to roof collapse and once the roof goes the house won t last for long.
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.
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.
Use a t brace to support the truss vertically.
Most people without any construction experience know that a roof should be flat and not wavy or sagging.
Sagging rafters can lead to serious problems with the entire roofing system.
Incomplete photos but enough.