The Ex-El Co If you would like to learn more about spray polyurethane foam and how it can be used effectively for your project, contact The Ex-El Co. We have been creating energy efficient and environmentally-friendly structures for over 35 years and are proud to provide New Mexicans with quality spray foam roofing at reasonable prices. When you choose The Ex-El Co., you're not only choosing the company that does the largest volume of spray foam roofing in Albuquerque, but the company that offers one of the best warranties in the industry!