These precast continuous footing risers are designed for use in residential buildings of up to three stories. Each riser measures 8x24 in., and is available in a variety of heights. The product is built for strength and easy use, with two strands of rebar for reinforcement as well as cast-in-place connection rebar for pouring adjacent concrete. Kwikstep. 570-668-5714. http://protective.sherwin-williams.com