Bostik Cementone Integral Liquid Waterproofer 25LBostik Cementone Integral Waterproofer is an alkaline soap of mixed fatty acids which react chemically with cement to formhydrophobic salts It is water repellent to reduce penetration, but also water retentive to aid curing and ensure maximum strength Bostik Cementone Integral Waterproofer helps reduce efflorescence and lime bloom by restricting moisture movement. It aids the reduction of crazing in rich mixtures by controlling the rate of