Quikrete 60 lbs. sand/topping mix features a uniformly blended mixture of Portland cement, graded sand and other approved ingredients. This mix is ideal for repairing and topping damaged concrete surfaces that are less than 2 inch thick. It can be applied down to a 1/4 inch thickness and still maintain the strength needed for traffic areas. Use as a base for laying flagstone and paving bricks.Suitable for repairing and topping damaged concrete surfaces less than 2 inch thick.Excellent workability for easy application.Sets in as little as 60 minutes.