Repair, re-slope, and reform interior and exterior floors and walls. Fast setting, trowel-grade patch for repairing and filling surface defects in existing concrete. Great for ramps, loading docks, curbs, sidewalks, and stairs. Long pot life of 30 minutes can be extended with re-mixing. Install up to 1/2" in one application and up to 2" with the addition of pea gravel to mix. Walkable in 2 to 3 hours, vehicle traffic in 4 hours, and sealable in 24 hours.