Systems Know what is going over your head. TPO (Thermoplastic Polyolefin)TPO (Thermoplastic Polyolefin) roofing is perfect for new construction or re-roofing jobs with flat to semi-flat roofs. TPO membranes can be mechanically attached, fully adhered, or ballasted. PVC (Polyvinyl Chloride)PVC (Polyvinyl Chloride) is an excellent choice for residential and Commercial, new or existing roofing applications. PVC is a premium product and has many advantages. Many of our restaurant customers specify PVC membrane because of its resistance to animal fats. EPDM (ethylene propylene diene monomer)EPDM, is a synthetic rubber that is extremely durable and used across a variety of applications. EPDM is heat and weather resistant with its two main ingredients derived from natural gas and oil, making it an ideal flat roofing material. Metal RoofingClassic Metal Roofing Systems have old world charm, enduring strength, and are engineered with excellence. Classic shingle and shakes are Energy Star certified and made in the USA. Contact Sunwest Roofing LLC for a full demonstration of how Classic Metal Roofing Systems can work for you. ShinglesRoof shingles are a roof covering consisting of individual overlapping elements. These elements are typically flat, rectangular shapes laid in courses from the bottom edge of the roof up, with each successive course overlapping the joints below.