Among the most dependable slab jack products for leveling slabs, AP Lift 440 provides an exceptional solution for foundation lifting, soil stabilization, and concrete raising and leveling. This two-component, high-strength, high-density, hydro-insensitive structural polyurethane foam serves as an effective compaction grout. AP Lift 440 weighs 3.75 to 4.25 pounds per cubic foot. For similar products, see the page on Concrete Leveling.
Soil Stabilization Explained
Commercial and Industrial Slab Lifting