US MIRACLE 520 Waterproofing Slurry  (Semi-Flexible) is a high performance two component cementitious flexible waterproofing slurry. It is blend of polymers, graded fillers, cement, and chemical binders. This product is used for flexible performance work is required. US MIRACLE 520 Waterproofing Slurry  (Semi-Flexible) is ideal waterproofing of bathrooms, washroom, kitchens, balconies, terraces, basement, and swimming pools.