For your high-performance patching and detailing needs, use Rapid Set® WunderFixx® Concrete Patching Compound. WunderFixx is a fast-setting, durable, one-component concrete patching material formulated with a premium-grade hydraulic cement, high-performance polymers and a finely ground aggregate. It is suitable for moist environments on interior and exterior projects, and ideal for patching and detailing on tilt-up panels, pre-cast concrete, concrete block and other concrete surfaces.

55 lb bag