There are several types of commercial roofing systems, including built-up roofing (BUR), single-ply roofing (TPO, PVC, EPDM), metal roofing, modified bitumen roofing, and green roofing. The choice depends on factors such as budget, climate, and specific building requirements. For more information visit at https://www.rnroof.com/commercial-roofing-tulsa-ok