Fixing Water Damaged Ceiling Plaster

While plaster ceiling are more resilient to water leaks compared to drywall they are not impervious to its.

Fixing water damaged ceiling plaster.

The repair process on this page can be used to repair water damage to the surface layers of plaster walls and ceilings. Drill into the plaster photo by david carmack. Fixing a water damaged plaster ceiling. Repairing a larger crack is trickier but doable with the aid of plaster buttons washers and drywall screws.

Check the bottom of the page for a video of this repair process. In the case of stud walls and ceilings timber laths are fixed between the studs or joists and the plaster is pushed through the gaps between the laths. A water damaged ceiling comes in all different shapes colors and sizes. Take away all material that is bubbling flaking or peeling using a putty knife.

The adhesive will permanently rebuild the bond between the plaster and the lath. Water damage of less than around 4 inches across is usually safe to repair yourself. Taking care of minor damage. The second step in this guide on how to repair water damaged plaster walls is to remove the damaged plaster.

Follow the tips below to pinpoint and repair the cause of the stains then clean prime and paint over the water stains to restore the blemish free finish of your ceiling. Try to be as gentle as possible but if the damage is deep you ll need to get the blade in to dig out any soft material. Plaster is likely to be damaged by movement or the results of external factors like impact or damp. If you have more severe plaster damage with wall material falling off the lath use the process at this link to make repairs.

Using a 3 16 inch masonry bit drill a hole in the plaster about 2 inches from the crack. In a plaster ceiling you can seal a small crack with a strip of fiberglass mesh tape then plaster over the tape. Over time plaster may delaminate or become detached from the surface beneath. How to repair plaster walls 1.

When you hit lath stop the bit won t go through wood pull out the bit and drill another hole about 3 inches from the first and about 2 inches from the crack.