WHAT IS SLAB JACKING? Concrete leveling / Slab Jacking / Mud Jacking / Concrete Lifting is the process of pumping mud under the slab to bring it back up to original height. No matter which term is used, it is all the same process. WHAT CAN BE SLAB JACKED? All concrete can be Slab Jacked. Examples include driveways, steps, patios, pools, basement floors, garage floors, sidewalks, grain bins, city streets, boat ramps, parking lots, interior floors, loading docks, runways, highways, schools, generator pads, warehouse floors, and more. There may be a few circumstances when concrete cannot be Slab Jacked, and it’s best to get an estimate to find out.