CR-FAST fast-setting crack repair and void filler can be ground after 30 minutes, greatly improving the time required to make repairs. The product's ultra-low viscosity allows it to penetrate deeply into concrete's microcapillaries. It is available in two-part side-by-side cartridges, in 2- and 10-gal. containers. Concrete Coatings Inc. 800-443-2871. www.concretecoatingsinc.com