Commercial Roofing Comes in a lot of variants. Here are the 7 most common Commercial Roofing materials Metal Roof, Built-Up Roofing (BUR) Membrane, Green Roofing, Spray-On Silicon, Thermoset EPDM Roof Membrane, Thermoplastic PVC & TPO Roof Membrane, Shingle Roofing. Visit Foam Experts Co Commercial roofing Redding For more details.