Ready to use acrylic latex emulsion formula specially designed for use on any concrete surface. Including sidewalks, walkways, driveways, patios and steps. Fills and seals cracks up to 1/2 inch (12mm) wide. Easy-to-apply and just squeeze directly from the tube. Self-leveling blends in with the natural color of concrete. Dry to touch in 30 minutes and hardens in 24 hours.