Waterproofing Coating Concrete Repair Grouting Fast Setting Cement Crack Injection Surface Treatment Cementitious Slurry Waterproofing Membranes Waterproofing Coating K10 Plus (Waterbased Polyurethane) K10 Plus is a flexible single-pack water-based polyurethane waterproofing and sealing membrane which is capable of curing in approximately 4-8 hours depending on the number of coats and temperature.