Approximately 20 to 25 years is the average life of a roof, but it may also depend on roof quality, weather conditions, and how skillfully it's installed. http://mebel-still.ru/index.php/component/kide/-/index.&ap=5&coi=1494&npp=5&p=0&pp=0&mid=9&ep=5&du=mebel-still.ru/index.php/component/kide/-/index.php?option=com_kide