The plaster magic is a permanent fix that does not need to redone again.
Fixing water damaged ceiling plaster.
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.
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.
The adhesive will permanently rebuild the bond between the plaster and the lath.
How to repair plaster walls 1.
Take away all material that is bubbling flaking or peeling using a putty knife.
Drill into the plaster photo by david carmack.
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.
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.
Repairing a larger crack is trickier but doable with the aid of plaster buttons washers and drywall screws.
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.
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.
Plaster is likely to be damaged by movement or the results of external factors like impact or damp.
Plumbing leaks are fun right.
Check the bottom of the page for a video of this repair process.
The second step in this guide on how to repair water damaged plaster walls is to remove the damaged plaster.
The repair process on this page can be used to repair water damage to the surface layers of plaster walls and ceilings.
Using a 3 16 inch masonry bit drill a hole in the plaster about 2 inches from the crack.
While plaster ceiling are more resilient to water leaks compared to drywall they are not impervious to its.
If you have more severe plaster damage with wall material falling off the lath use the process at this link to make repairs.