How To Fix Water Damaged Ceiling Tiles. Press up on the affected tile, tilt it at an angle and slide it out of the ceiling grid. To repair damage in plaster, first let the ceiling dry completely, scrape off damaged material with a putty knife, then clean the area with a damp cloth.
Then staple the exposed lip on the other two sides of that tile. Press up on the affected tile, tilt it at an angle and slide it out of the ceiling grid. To create a clean, professional finish, make sure you apply the new ceiling to a flat surface.
Kitchen fix for water damaged ceiling.
Press up on the affected tile, tilt it at an angle and slide it out of the ceiling grid. This will tell you if the problem lies with the outgoing or incoming water. If you cannot get into an attic above the leak and water is dripping down from one point in the ceiling, place a bucket on the floor under the drip. If you sustained a leak in your ceiling, make sure that the leak has been properly fixed and that any mold is remediated correctly.