The only way to stop the water mark discolouring the paint is to cover the stain with a stain blocker or an oil based paint first.
Covering brown stains on ceiling.
Unlike other stains they tend to be more consistent and uniform like a thick layer of brown dust spread evenly across the ceiling.
How to hide water stains on a ceiling.
Stopping a damp stain or water mark on a ceiling can be very difficult.
How to remove water stains from ceilings without painting.
Clean the ceiling with tsp to remove dust and grease that would prevent paint from sticking.
Options to repair and clean up water stains include.
Follow these steps when covering over a water stain on your ceiling.
When you apply the mix to the affected area it will kill the mold after which you can simply wipe away the residue as if the stain had never existed.
Wipe away any excess primer.
Start by finding the cause of the leak and repairing the problem to prevent damage in the future.
Cover the floor below the area you ll be working and put on gloves and goggles.
Conceal an unsightly water stain on the ceiling and put a stopper on the leak that caused it with these stain fighting tips.
Scrape away any loose or flaking paint until the ceiling is smooth.
Make sure the room is well ventilated.
Spray cans work better than a brush especially on popcorn or textured ceilings.
Mix 1 part bleach with 3 parts warm water.
Lay a drop.
Identify and repair the root cause.
Clean the stain.
If you have a coloured ceiling use oxygen bleach rather than chlorine.
Use a bleach water solution to blot and wipe the stain away after the area dries if it is still stable you can directly paint over the area remove the damaged part of the ceiling ceiling tiles drywall and replace with new clean sections.
A solution of household laundry bleach mixed with water is effective on most common forms of mold.
The same type of stain will also be present from about 3 4 of the way up interior walls and all the way up to the ceiling.
You can then emulsion or paper overit.
Cover the water spots on the ceiling with the primer using a foam brush.
Place the tip of the brush into the primer and dab it onto the ceiling over the water spots.