Fast Setting Concrete 50 lb. bag. Sakrete Fast Setting Concrete Mix is a pre blended fast setting mixture of special cementitious materials, sand and coarse aggregate. For projects where a rapid set is needed to allow for same day use. For setting posts and poles without mixing or bracing. For slab placement where concrete thickness exceeds 2”. 4000 psi, Rapid setting in approximately 1/2 hour resulting in same day use, Setting fence posts, Driveways, slabs, patios walkways, curbs, stairs.
50 lb. bag