This is because the tannins brought into the ceiling by the water bleed right through a coat of.
How to cover water stains on ceiling.
Ceiling water stains are almost always caused by a leak.
If you don t have time to restore and cover up the stain here are some alternative ways to remove it without using paint.
Water stains on a ceiling are usually caused by roof or plumbing leaks.
Painting over the stain isn t difficult but it requires an undercoat of stain blocking primer to prevent the stain from reappearing.
In any case the best way to eliminate water stains on your ceiling is to fix the damage first.
Once the problem is solved put on safety glasses and gloves and blot the stain with a mixture of one part water and one part bleach.
Start by finding the cause of the leak and repairing the problem to prevent damage in the future.
Follow these steps when covering over a water stain on your ceiling.
Water stains have a way of coming back again and again even after the water has long since dried.
Before you can get water stains off of your drywall ceiling first you will need to eliminate the source of the moisture otherwise the stains will just keep coming back.