Kerakoll Nanodefence Eco Tanking Waterproofing Paste - 5kgNanodefense Eco develops total waterresistance under positive thrust guaranteeing the protection of absorbent substrates or those subject to damp, or in constantly humid environments. Suitable for subsequent laying of ceramic tiles, porcelain tiles and natural stone using mineral adhesives High elasticity and chemical stability It can be easily applied with a spreader or roller to any substrate