POLY PROOF 8100 is a semi-flexible, two-component, cement-based waterproofing system designed to protect concrete and masonry structures against water penetration. The system forms a durable, semi-elastic coating suitable for positive and negative waterproofing applications. It consists of: Component A: Cement-based dry powder. Component B: Liquid polymer additive. POLYWATERPROOF 8100 creates a dense, water-impermeable layer with good adhesion and moderate crack-bridging capacity.