VersiFlex PVC Inside Comers are pre-molded and are used for flashing the inside corners on a variety of details. Installation is fast and easy with no cutting or stretching required. This product is available in white, gray and tan. Versico’s PVC Inside Corners are part of the Certified Fabricated Accessory (CFA) program. Certified Fabricated Accessories are the only factory fabricated PVC accessories that meet the stringent quality tolerances required to be included in a Versico warranted roofing system.