Sakrete FastSet Cement 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. High final setting strength of 5,000 psi. (10 pound tub).