Thompsons Stain Blocking Damp Seal 750ml

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 7m?/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. Areas of use: Interior walls and ceilings Coverage Approx: 5 m2 covered per litre Required number of coats Approx: 1 Finish: smooth White Application: Brush Drying time Approx: 2-3 hours