Let Versico simplify your next VersiWeld TPO installation with their prefabricated Outside Corners. VersiWeld TPO Outside Comers are pre-molded and are used for flashing outside corners on a variety of details. Installation is fast and easy with no cutting or stretching required. Versico’s VersiWeld TPO Outside Corners are part of the Certified Fabricated Accessory (CFA) Program. Certified Fabricated Accessories are the only factory-fabricated accessories that meet the stringent quality tolerances required to be included in a Versico warranted