Patch concrete in just 20 minutes. Use SAKRETE fast-patch, a fast-setting, patch material designed for repairs that require a quick return-to-service time. Available in 2 KG, 5 KG and 15 KG pails. Ideal for fast repairs to concrete sidewalks, curbs, driveways, floors, steps, parking garages, loading docks, highway structures, pre-cast units and concrete pipe. May also be used to anchor posts, parking meters and guard rails.