How To Fix Water Damaged Ceiling Texture. Block off the surrounding area. For anything larger, consult a professional.
Once you have found what caused damage to your ceiling in the first place, it’s. Vacuum or dust the ceiling to remove any left over dust. Out from the patch to soften it so you can scrape it off to prep for the taping work (photo 3).
Scrap off the damaged texture.
Scrape off all the water damaged popcorn material until it is all removed and the stained ceiling is visible. Either way, it needs to have water added. Next, sand the surface down well. Remove water stains from ceiling.