RR201 | 2lb Concrete Raising Foam The best residential polyurethane foam available RR201 is specifically designed for residential concrete raising. This 2.5 lb. per cubic foot density foam has a fast reaction time with less spread. This provides more control in the lifting of the concrete slabs in your driveway, patio, pool deck, walkways, garage approaches and sidewalks. Our RR201 foam was specially designed to mimic the speed of traditional hydraulic mudjacking. Earns USDA Certified Biobased Product Certification and Label Polyurethane foam to raise and level concrete in a residential setting? You bet! In fact, we believed this beneficial process could be used in the residential market, providing another option to mudjacking. Due to that, in 2003, we began researching and testing with the polyurethane foam process, wanting to ensure that all markets could benefit from the advanced engineering we can offer. This has led to our foam materials being known as the industry’s leading concrete raising materials. Want to learn more about the poly options available that best fit your need? Get in touch today!