The SAKRETE 20 lb. Fast Set Patcher is a pre-blended, fast setting mixture that can be used for making quick repairs in concrete walks, slabs, floors, steps and driveways. The Patcher sets in 20 minutes and is ideal for applications of 1/4 in. to 2 in. (6.4 to 51 mm) in thickness. Does not require forms or braces.Apply in thicknesses from 2 in. down to 1/2 in.Use for cracks in concrete slabs, driveways, or sidewalksCan also be used for broken steps, curbs, ramps, concrete overlays and large masonry cracksFor applications requiring a 1/2 in. to 2 in. TSets in as little as 10 minutesHigh strength 5,000 psiWalk on in approximately 4 hoursJust add water and mixCoverage: 9 sq. ft. at 1/4 in.