The greatest advantage to raising and leveling concrete with polyurethane foam compared to replacement is cost. While the price for each job varies, a good rule of thumb is that raising and leveling concrete is usually around 50%-80% less than cost of replacement!  Don’t Replace it, Raise it! Foamjection saves your concrete slab from being torn out and deposited at a landfill!  Foaminjection foams are environmentally friendly, consisting of 39-49% renewable and recycled materials.