Fast Setting Concrete Mix is a preblended 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. It can be used for setting posts and poles without mixing or bracing, in addition to working well as a concrete hole filler. It’s for slab placement where concrete thickness exceeds 2 inches. Features: High strength 4,000 psi Full-depth applications 2 inches or greater Ideal for structural applications requiring a small volume of concrete Rapid setting in approximately half an hour, resulting in same-day use Use For: Setting fence posts Driveways, slabs, patios, walkways Curbs Stairs Ramps Structural applications requiring a small volume of concrete