Take away all material that is bubbling flaking or peeling using a putty knife.
Fixing water damaged ceiling plaster.
In a plaster ceiling you can seal a small crack with a strip of fiberglass mesh tape then plaster over the tape.
The repair process on this page can be used to repair water damage to the surface layers of plaster walls and ceilings.
Over time plaster may delaminate or become detached from the surface beneath.
The second step in this guide on how to repair water damaged plaster walls is to remove the damaged plaster.
Repairing a larger crack is trickier but doable with the aid of plaster buttons washers and drywall screws.
How to repair plaster walls 1.
Water damage of less than around 4 inches across is usually safe to repair yourself.
A water damaged ceiling comes in all different shapes colors and sizes.
Plaster is likely to be damaged by movement or the results of external factors like impact or damp.
Check the bottom of the page for a video of this repair process.
The adhesive will permanently rebuild the bond between the plaster and the lath.
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.
While plaster ceiling are more resilient to water leaks compared to drywall they are not impervious to its.
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.
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.
Taking care of minor damage.
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.
Fixing a water damaged plaster ceiling.
Plumbing leaks are fun right.
If you have more severe plaster damage with wall material falling off the lath use the process at this link to make repairs.
The plaster magic is a permanent fix that does not need to redone again.