Mudjacking, or Concrete Lifting, is a cost effective, approach to lifting your sunken concrete. A mixture of lime and cement known as pressure grout, is pumped under the slab. Once any & all voids are filled, the grout becomes pressurized and hydrauically raises the slab to the desired height. Mudjack Experts offers mudjacking services including lifting, leveling and stabilizing concrete driveways, patios, sidewalks, porches, stoops, steps, garage floors & more. Free estimates,Senior discounts, season specials