AQUASTOP C-109 is a two-component, cement-based waterproofing coating. When applied by brush, it forms a seamless, flexible film on the substrate surface. The coating has excellent toughness and can resist the propagation of micro-cracks in the substrate. Suitable for internal wet areas, kitchen, bathroom, laundry areas, balcony, and terraces before tiling. Backwater surface of basement and exterior wall.