GAF EverGuard® TPO offers inherent flexibility, excellent heat-sealable properties, long-term heat and UV resistance, fungal resistance,* and high reflectivity (white, energy tan and energy gray only). The construction of our TPO membrane has remained unchanged for more than 20 years, selling more than 6 billion square feet. We operate manufacturing plants across the United States, and we offer 10- and 12-foot rolls, a variety of thicknesses, and the industry’s largest selection of colors.