This is a 3" insulated roof awning . It comes with 1-setback beam and 3- posts. The beam and posts have a baked-on polyester finish. The cover will provide protection from the hot sun and lowers the temperature by twenty degrees underneath the cover. It's the ideal product for patios, carports, entry covers, glass enclosures, and screen enclosures. If you want a new room and want to heat it or cool it the first and best roof is the 3" insulated roof. If you have any questions please email me . You can check us out at www.djawnings.com