HIGH DENSITY POLYURETHANE FOAM
Among the leading high-density polyurethane foam products available, AP Lift 475 offers a powerful solution that is traffic ready in 15 minutes. This two-component, high-strength, high-density, hydro-insensitive structural polyurethane injection foam supports 14,000 lbs per square foot. AP Lift 475 weighs 4.5 to 5.0 pounds per cubic foot. For similar products, see the page on Concrete Leveling.