Rapid Set WunderFixx Concrete Smoothing and Patching Compound 50lb Bag

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Rapid Set® WunderFixx® is a high-performance gray concrete smoothing compound and is a blend of rapid-set hydraulic cement, high-performance polymers, self-curing technology and finely ground aggregate.

Mix WunderFixx with water to produce a workable, easy-to-apply mixture with excellent bonding characteristics. Trowel apply WunderFixx to achieve a smooth and uniform finish. After applying, WunderFixx may be sanded within 24 hours to achieve an ultra-smooth finish.

Used for cosmetic patching, detailing and smoothing on tilt-up panels, precast, formed work, concrete block and other concrete and masonry surfaces. Tested in accordance with ASTM C109.