Then use idea 2 below to really beef it up.
Sagging joice attic ceiling.
If it is sagging because it got.
How to fix sagging drywall ceilings.
I was able to do that recently with equally old and sagging joists i put some weight on them from above and they came back to pretty close to straight and so it has worked fine.
If a ceiling is bowed sagging or dropped down then the reason may relate to a structural issues.
If your ceiling drywall is.
If the ceiling joists or trusses supporting the ceiling drywall is spaced too far apart then sagging may result and the stress from this may create.
At the time of construction nails rather than screws regularly were used to attach wood lath to joists and the nails had slipped right out.
You can correct a sagging ceiling by overlaying a two piece strongback on the joists.
Cracks on a sagging or bowed ceiling.
Sagging in a ceiling may be caused by undersized drywall.
A general contractor sistered new joists to the existing ones.
Or add furring strips and a second layer of 5 8 in.
You either have to replace 1 2 in.
Spacing of ceiling joist or trusses.
Unsightly ceiling joist sags are a common occurrence in old ceilings.
Sometimes they come about when different materials are used between the frame and the joists.
They often occur because of warps from weather and temperature.
Sagging ceiling drywall always indicates a problem that needs correction and it adds a touch of shoddiness that no room needs.