KA Tanking Slurry is a complete crystalline solution for waterproofing masonry and blockwork, suitable for both internal and external use as a waterproof render. It can be applied to walls before plastering and to floors before self-levelling. Designed to prevent water penetration in various conditions, it is ideal for foundation slabs, tunnels, irrigation channels, bathrooms, and kitchens. Its dual surface and migratory crystalline action ensures complete waterproofing and reactivates upon contact with water. This product has potability approval for drinking water, pools, fish ponds, reservoirs, tunnels, and slurry pits. It is also effective as an exterior render and in interior flooring applications. The slurry is non-toxic, tested to withstand radon and other noxious gases, and approved for use on concrete substrates and rendered masonry walls up to grade 3 basement protection. It conforms to BS6920, BS3921, and BS-EN12390-8 (exceeding 7 bar pressure) and is UKAS accredited. KA Tanking Slurry can be applied to both new and old surfaces using a brush or trowel, on either the negative or positive side, to eliminate dampness and water penetration, even under hydrostatic pressure. It is suitable for retaining walls, swimming pools, fish ponds, sewage plants, basements, cellars, car parks, garages, bathrooms, kitchens, lift shafts, and vehicle maintenance pits. Simply mix the powder with water to a 'custard-like' texture.