If the primer doesn t match the color of the ceiling you may need to paint the entire ceiling once the primer has dried.
How to paint roof water stain.
How to paint drywall with water damage.
Apply a light coat of the stain blocking primer over the stain to cover it while avoiding dripping.
Cover the floor with plastic and find a good pair of goggles drips are a fact of life when painting the ceiling.
Now you can paint.
If your ceiling has a texture you ll find using an aerosol can easier than a paintbrush and you ll get more reliable coverage.
If you aren t dealing with a textured surface brush off as much loose material as possible and replaster if necessary before repainting.
When applying paint to water stains bits of old paint and plaster will typically flake off.
No matter how conscientious you are in maintaining your home you will inevitably discover at one time or another that a plumbing or roof leak has left a.
Clean the stain.
Now prime the stain with stain blocking primer.
Use shellac based stain blocking primer or an equivalent high solids latex primer.
Your first priority when dealing with a water stain should be to find the source of the leak or in.
Take a putty knife or paint scraper and remove the textured area around the stain.
If you don t do this then you might be able to see the stain through the new paint.
Conceal an unsightly water stain on the ceiling and put a stopper on the leak that caused it with these stain fighting tips.
Make sure the stained area is dry otherwise the new paint and texture will not adhere and the stain will reappear.
Identify and repair the root cause.
A primer that blocks stains is the ideal product to use to ensure the water stain is sealed and won t show up after painting.
There is a difference between the paint primer vs all in one paint that will make all the difference when using it to cover up the water stain permanently.
4 prime the water stained area.
If the spot is small you can also try multiple layers of conventional primer and paint.
You need to cover the stains with primer before painting and drywall primer won t do.