Sika Damp Proofing Slurry Is A Ready To Use (Just Add Water), High Quality, Thin Layer Waterproof Slurry Coating, Based On Special Cements And Admixtures To Provide A Water And Damp Proof Finish. Ideal For Preventing Dampness And Water Penetration In Basements, Cellars, Pits And Pools Or For Use On Foundations, Half Buried Walls, Concrete Gutters Or Planters Made From Stone, Brick Or Clay Where Dampness And Or Water Penetration May Have An Adverse Effect.