The Sika 1 Integral Liquid Waterproofer 25L is a top-quality, concentrated solution that provides superior waterproofing properties when mixed with cement and sand. This product is designed to prevent the ingress of water, making it perfect for waterproofing basements, swimming pools, tunnels, and more. Its unique formulation increases the durability and strength of concrete and mortar, thereby enhancing the overall lifespan of your construction project. The Sika 1 Integral Liquid Waterproofer is easy to use, saving you time while delivering reliable results.