Thompson's Stain Block Damp Seal White 250ml

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 of stains
• The one coat formulation allows the surface to be decorated in 4 hours
• Coverage to 7sqm/L depending on the porosity of the substrate
• Allow 4 hours between each coat
• After the second coat, leave for a further 4 hours before decorating