QUIKRETE Bonded Topping Mix is designed to repair and resurface damaged concrete up to 1/2″ in thickness (12.7mm). It can be used for driveways, sidewalks and patios. It has a high strength, strong bond and a 90 minute set. It will be ready for foot traffic in 2.5 hours. It is a fine material and will trowel to a feather edge finish.