Sagging ceiling could be an indication of framing issues some of which could be related to the roof.
Roof rafer construction wall sag.
We include photographs of collapsing wood framed roofs and photo sequences.
This article describes explains the directions of forces in roof structures illustrating downwards force horizontal thrust and the causes of rafter sags rafters that disconnect from the ridge or top plate and why a sagging roof pushes the building walls outwards at the wall top.
Sagging rafters can lead to serious problems with the entire roofing system.
The beam is attached to both exterior walls and to the.
Some roofs sag because of decay to the inside beams and sheathing.
Should the bottom cord of one or more trusses be sagging or damaged it may be reflected in a sagging ceiling or if the roof is over loaded to heavy then the downward pressure may cause the sagging.
Decay can occur over time due to a number of reasons including leaks in the roof or leaks from guttering or downpipes wet rot or even insect attacks such as termites damaging the ends of the bearings.
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.
Roof sag or roof collapse forces.