If you can repair the roof to stop the leak do so immediately if diy repairs are beyond your realm call a roof repair contractor.
Plaster ceiling repair water damage.
While plaster ceiling are more resilient to water leaks compared to drywall they are not impervious to its.
Plaster is held in place by wood lath thin strips of wood backing the plaster and you should be able to attach a drywall patch to it if necessary.
Fixing a water damaged plaster ceiling can be a little more involved than fixing a drywall ceiling.
Plumbing leaks are fun right.
Plaster or drywall ceiling repair costs 50 to 100 per square foot or between 300 and 1 200 on average.
Any plaster that feels loose or sags from the ceiling should be removed and patched.
The repair process on this page can be used to repair water damage to the surface layers of plaster walls and ceilings.
Check the bottom of the page for a video of this repair process.
Prevent the water from pooling and spreading by punching a small hole through the ceiling s surface with a nail or an ice pick and allowing the pooled water to drain into the bucket.
Plaster can often be successfully dried as long as the water damage did not loosen the bond between the plaster and the subsurface which is often wood especially in older homes.
You can repair plaster relatively easily using drywall and joint compound as long as you allow.
The plaster magic is a permanent fix that does not need to redone again.
The adhesive will permanently rebuild the bond between the plaster and the lath.
If you have more severe plaster damage with wall material falling off the lath use the process at this link to make repairs.
Minor ceiling repairs cost 200 to 500 to fix holes or cracks.