INTEGRAL WATER PROOFERS APPLICATION & FEATURES GEEKAY PROOF-IWP is a liquid waterproofing admixture, which can be used in concrete and cement mortar. It reduces the water demand and also improves the impermeability of concrete COMPOSITION &CONDITIONS GEEKAY PROOF-IWP shall be added to the gauging water before mixing to get optimum result. Reduce water content in the mix upto 15% to get excellent results.