what kind of construction is commercial roofing
Types of Commercial Roofing Materials. Share with others. Today, we cover the different generic types of commercial roofing materials that are available for flat roofs and low slope commercial roofs. According to the National Roofing Contractors Association, there are five common commercial roofing materials. These include: built-up roof membranes, metal paneling, modified bitumen sheet membranes, single-ply membranes, and spray polyurethane foam roof systems.