Integral Liquid Waterproofer is a liquid/gel additive that provides long term protection from water damage to mortar concrete renders & screeds by dramatically reducing water permeability. This product is suitable for all applications where resistance to water damage is necessary such as pool & tank linings roof areas external rendering/point & structures below ground level. Integral Liquid Waterproofer also contains an air entraining agent hence it will not “deaden” the mix & there is no need to add a separate admix. Tested to BSEN934- Part 3.