Improves the watertightness of water-containing concrete tanks, reservoirs, and clearwells. Protects against water penetration, yet water vapor permeable (breathable). Excellent freezethaw resistance. Good adhesion to sound, prepared substrates. Easy and fast mixing and application. Good abrasion resistance. Protects against concrete carbonation (80 mils SikaTop Seal 107 is equivalent to 6 inches of concrete). Can be mixed to slurry or trowelable consistency. Improves concretemasonry appearance. Available in concrete gray. Approved for potable water contact.