TPO Roofing

TPO, short for thermoplastic polyolefin, has been available for more than a decade and is a popular selection because of its energy efficiency, overall environmental impact and quick installation. A lighter-colored membrane, TPO often is used in warmer climates where it can be used as a reflective material, offering opportunity for companies to reduce energy costs.

A properly installed TPO roofing system can have a service life span of more than 20 years, depending on weather conditions. Because of its eco-friendly nature, TPO roofing systems have been known to save companies major dollars each year.

TPO, constructed from an ethylene propylene rubber, is designed to mesh the durability with overall performance. In addition to being eco-friendly, TPO is flexible and highly resistant to tears and breaks that could eventually cost hundreds of dollars to repair, as well as algae and mold that can be harmful to your family.

GA Roofing & Repair is a fully licensed & certified installer of TPO Roofing products and is backed by all major manufacturers, let us help you with your next TPO roof or repairs to your existing TPO roof.


As opposed to thermosets, which must use adhesives, the seams on thermoplastic single-ply membranes can be hot-air welded together to form cohesive laps. When thermoplastic membranes cool, they return to their original material type. PVC and TPO are two of the most commonly installed thermoplastic single-ply membranes. According to SPRI, “Most thermoplastic membranes are manufactured to include a reinforcement layer, usually polyester or fiber glass, which provides increased strength and dimensional stability.” And because these membranes are characteristically light in color, they provide excellent reflectivity, resulting in potential energy savings. PVC membranes are manufactured from a combination of PVC resin, stabilizers, pigments, fillers, plasticizers, biocides, and various processing aids. Unlike TPO roofing membranes, which require additives to increase fire resistance, PVC membranes are naturally fire retardant. While problems back in the 1960s with PVC membranes may have colored some facilities professionals’ views on these thermoplastic roofs, the use of chemical plasticizers that evaporated (causing embrittlement and shrinkage) have long since been discontinued.

The other popular thermoplastic membrane on the market today is TPO. “TPO polymers are blends or alloys of polypropylene plastic or polyprolylene and ethylene propylene rubber (EPR) or ethylene propylene diene terpolymer rubber (EPDM),” SPRI reports. TPO can be installed in a multitude of ways and with the introduction of peel-and-stick products, installation time can be reduced significantly. Like PVC, TPO remains hot-air weldable throughout its service life, simplifying repairs and maintenance.

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