Drywall Sagging Ceiling Joists

If it is sagging because it got wet it probably means that a water.

Drywall sagging ceiling joists. Everyone likes a clean look drywall ceiling. Drywall instead of 5 8 in. Half inch drywall can sag if it s hung under roof trusses that are spaced every 24 in. We re replacing existing wall and ceiling drywall and plaster with 1 2 drywall tape and compound.

Ceilings have a way of really showing defects when the drywall is not installed properly. A ceiling may only sag in certain areas or the entire ceiling may sag and look as though it s going to crash down. While the visibility of ceiling defects can be reduced e g through recessed lighting flat paint and other methods the goal of every ceiling drywall installation should be to reduce or eliminate errors during construction. Sometimes they come about when different materials are used between the frame and the joists.

One effective method for creating a flat surface for ceiling drywall is to install strapping to the joists then fastening the drywall to the strapping. Sagging ceiling drywall always indicates a problem that needs correction and it adds a touch of shoddiness that no room needs. You can correct a sagging ceiling by overlaying a two piece strongback on the joists. If so i bet the installers used 1 2 in.

A sagging ceiling creates many concerns especially if the damage is not fixed. It isn t strong enough to handle the span and the weight of the attic insulation just makes the sagging worse. Unsightly ceiling joist sags are a common occurrence in old ceilings. If your ceiling drywall is sagging between joists sometimes called pillowing it s probably on the top floor and attached to the roof trusses.

Not much but one joist has a large knot and appears kinked the other perhaps the crown wasn t sited correctly. Installed properly 1 by 3 inch.