DescriptionStain Block Damp Seal I Thompson’s I 250mlONE COAT DAMP SEALOne Coat Damp Seal is tough on damp. It’ll permanently seal and remove damp stains in just one coat and is over paintable in just 4 hours.A high performance seal for sealing and covering damp, water and other household stains in one coat. The micro-porous formulation allows trapped moisture to escape. Can be applied directly to damp surfaces and permanently stops the reappearance of stains. The one coat formulation allows the surface to be decorated in 4 hours.Seals and covers household stainsMicro-porous formula allows trapped moisture to escapeApply direct onto damp surfaces
