Fixing Water Damaged Ceiling Plaster

Check the bottom of the page for a video of this repair process.
Fixing water damaged ceiling plaster. The adhesive will permanently rebuild the bond between the plaster and the lath. The second step in this guide on how to repair water damaged plaster walls is to remove the damaged plaster. The plaster magic is a permanent fix that does not need to redone again. Take away all material that is bubbling flaking or peeling using a putty knife.
In a plaster ceiling you can seal a small crack with a strip of fiberglass mesh tape then plaster over the tape. Plaster is likely to be damaged by movement or the results of external factors like impact or damp. While plaster ceiling are more resilient to water leaks compared to drywall they are not impervious to its. Repairing a larger crack is trickier but doable with the aid of plaster buttons washers and drywall screws.
Fixing a water damaged plaster ceiling. Plumbing leaks are fun right. 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. Over time plaster may delaminate or become detached from the surface beneath.
How to repair plaster walls 1. 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. Taking care of minor damage. What you need to know first is before you can repair the ceiling you must locate and repair the issue causing the water damage in the first place.
A water damaged ceiling comes in all different shapes colors and sizes. 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. Drill into the plaster photo by david carmack. Using a 3 16 inch masonry bit drill a hole in the plaster about 2 inches from the crack.
If you have more severe plaster damage with wall material falling off the lath use the process at this link to make repairs.