STL Polyjack can you help you with concrete slab lifting using Polyjacking in St. Louis. We make use of high-density and quality polyurethane foam to stabilizing and lifting the commercial slabs back to their original position. This results in filling the voids, stabilizing the soil and closing cracks and gaps in the slab. This process is more reliable and permanent than the Mudjacking and a fraction of the cost and time of slab replacement. Call us today for free estimates.