How do you level a sagging ceiling joist?
In respect to this, how do you fix uneven joists?
Before installing rigid flooring, determine if your substrate is even enough—and learn what to do if it isn't.
- Pinpoint Uneven Areas.
- Determine the Underlying Problem.
- Understand Self-Leveling Underlayment.
- Deal with a Delaminated Subfloor.
- Plane a Heaving Joist.
- Use Shims to Correct Other Joist Issues.
Secondly, can you attach drywall to ceiling joists? Yes you can, but it is not always easy to do. The joists may not be perfectly spaced and you only have a 1-1/2 inch target for attaching two edges of the drywall. As well, the floor joists are often not perfectly on the same plane, with one or more of the floor joists being slightly lower or higher than the others.
Thereof, how do you Drywall an uneven ceiling?
If it's an obvious part of the ceiling, try for 1/16". Get a long straightedge and a pile of drywall shims. High joists are pretty easy: add shims to bring them down to flat with the others. Low joists require you to build up the adjacent joists gradually over a few joists to meet that 1/8" (or 1/16").
How do you strap a layout?
Ceiling strapping should be installed every 16 inches on center, perpendicular to the joists above. Remember, a sheet of drywall is 4 feet, or 48 inches wide. 16 inch on-center spacing allows the drywall to be fastened four times across its width (one on each end, and two in the middle).