Hardbond Repair is a 2 component polyurea designed for filling cracks and spalls in concrete. It has a fast cure time with excellent adhesion and its’ low viscosity allows for fast turnaround of coating projects or as a standalone product. Silica sand void of moisture may be added to Repair for deeper voids in concrete. Do not use on Concrete that has a high moisture content or a visible presence of water. Summer blend for use in summer temperatures.