If you have more severe plaster damage with wall material falling off the lath use the process at this link to make repairs.
Repairing water damaged ceiling for painting.
This seals away any residual dampness and prevents the stain.
Paint the damaged area with two coats of oil or alcohol based primer.
Steps to repair water damage after identifying the source of the water damaged ceiling and fixing the problem steps can be taken to repair the drywall yourself.
Remove the wet and damaged materials like drywall or plaster.
Regardless of whether it is made of drywall plaster or some other material no ceiling can be fully protected against these vagaries of water.
To begin to address how to repair a water damaged ceiling it is necessary to first evaluate the extent of the damage.
If you don t want that to happen follow these simple diy steps.
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.
Use a damp cloth and some sugar soap to clean the area you want to repaint.
How to repair water damaged ceiling paint step 1 clean the area.
The repair process on this page can be used to repair water damage to the surface layers of plaster walls and ceilings.
As with any paint project the first thing you should do is thoroughly clean the area.
Check the bottom of the page for a video of this repair process.
Generally there will be visual markings often a light yellow to brown stains on the surface of the.
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.
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.
After the water source has been dissolved there is still an issue concerning the wet ceiling and drywall.
Gypsum drywall that has been damaged by water should be replaced even if it has dried completely.
If you don t properly seal the damaged area with a stain blocker your water based paint will cause the tannins to bleed through and discolor the ceiling again.
Plugging the water damaged ceiling.
Repairing ceiling water damage whether it is the result of a broken pipe or torrential rainfall is particularly important for the health and comfort of your home left unaddressed the damage can lead to mold and a weakened structure.
Make sure you get rid of all the dust and grit on the surface.