Description POLYBIT® Polycoat WB is an emulsified thixotropic bitumen protective coating. The coating dries to form a black flexible protective film. The finished film forms a tough barrier to vapor transmission. Features and benefits Polycoat WB is used for providing damproofing for below ground concrete structures. Properties Easy to apply Cold applied Water-based and therefore is non-toxic Adheres to concrete, metal, wood, cork, etc Asbestos free, odorless and can be applied in closed or confined spaces. Conforms to ASTM D 1227, Type III, Class 1.