Water Damaged Plaster Ceiling

How to fix water damaged plaster ceiling step 1.

Water damaged plaster ceiling. To begin to address how to repair a water damaged ceiling it is necessary to first evaluate the. Push up on the ceiling surrounding the damaged area. Finish the alignment of the ceiling.

Water damage of less than around 4 inches across is usually safe to repair yourself. In low light pick up a flashlight or install a searchlight aim the ceiling to see the irregularities. Old school lime plasters tend to crack and pull loose after repeated water damage due to the expansion and contraction of the lath which breaks the plaster keys off and usually results in a sagging plaster ceiling which we dealt with above.

Cut a piece. More significant damage usually calls for a professional or perhaps even the replacement of the entire ceiling. Before beginning repairs to walls or ceilings that have been damaged by water locate and.

Seal the water damage. If it moves or gives under your hands secure it to the. Depending on whether you have lime or gypsum plaster it will respond differently to water damage.

If you find any defects or cavities apply the putty again dry it and align it again. Repairing a larger crack is trickier but doable with the aid of plaster buttons washers and drywall screws. In a plaster ceiling you can seal a small crack with a strip of fiberglass mesh tape then plaster over the tape.

Larger cracks can be more complicated to fix but you can repair water damage in plaster ceilings with plaster buttons and drywall screws as long as the cracks are less than four inches. Sand the surface using a sanding mesh or sandpaper. Taking care of minor damage.