One Coat Damp Seal is tough on damp. It’ll permanently seal and remove damp stains in just one coat and is overpaintable in just 4 hours.
Thompsons One Coat Damp Seal - All Sizes
ONE COAT DAMP SEAL
Seals and covers household stains
Micro-porous formula allows trapped moisture to escape
Apply direct onto damp surfaces
Coverage 5m2/ Litre
Preparation
Its important to make sure the cause of damp has been sorted before painting, otherwise it'll just come back. Open doors & windows to make sure the room is well ventilated.
Remove any wallpaper and get rid of flaking paint with a damp cloth.
Fill any cracks or holes, if needed.
You can apply this onto damp surfaces, just make sure they're not dripping wet.
Application
Give the tin a really good stir. Apply with a brush or roller, whichever you prefer. Apply the paint over the affected area, plus about 30cm around it.
Clean Up
Clean your equipment with white spirit.