STL Polyjack is the best-rated Concrete Leveling Service in St. Louis. We use Polyjacking method which is using Polyurethane foam for concrete lifting and levelling. If you have a cracked, Sunken, Uneven slab or large void call Saint Louis Polyjack first for a free estimate and consultation to see if we can help you before going the exhaustive and often infuriating route of Mudjacking or replacing your slabs. We also offer Driveway levelling in St. Louis and Sidewalk levelling in St. Louis.