At CeDUR we manufacture state of the art, next generation synthetic polyurethane roofing materials. Our roofing materials are developed to look just like natural cedar wood shakes. Owned, operated, and manufactured in Aurora, Colorado CeDUR roofing products have been installed and trusted on homes around the globe. When looking for a cedar wood shake alternative CeDUR is your best choice. CeDUR roofs provide the authentic natural beauty of cedar wood shakes with no splitting, rotting, cracking, risk of fire, or constant maintenance. We manufacture the best composite synthetic shake shingles in the industry.