Flat roof systems are much more complicated than sloped roofs. Their complexity requires a special expertise not all roofers possess. It takes years of experience and the right roof system to provide long-term protection. Unfortunately, most flat roof owners have become accustomed to replacing their flat roof every ten years, which is sad considering they should last decades longer. Before deciding on a roofer or a roof system do your homework. You'll find the truth hiding behind theories and salesmanship. In flat roofing especially, the old adage is more important than ever, "You get what you pay for."