The Ronseal One Coat Damp Seal permanently blocks damp stains on walls and ceilings. You can even put it onto damp walls. It lets trapped moisture escape without causing anymore damage. When it's dry you can paint or wallpaper over it. BEFO...

The Ronseal One Coat Damp Seal permanently blocks damp stains on walls and ceilings. You can even put it onto damp walls. It lets trapped moisture escape without causing anymore damage. When it's dry you can paint or wallpaper over it. BEFO...

A high performance seal for sealing and covering damp, water and other household stains in one coat. Micro-porous formulation allows trapped moisture to escape. Can be applied directly to damp surfaces and permanently stops the reappearance...