Carlisle SynTec Systems is pleased to introduce its Sure-Flex™ PVC KEE FRS FleeceBACK membranes.  Sure-Flex PVC KEE FRS FleeceBACK features a high-carstrength combination of Dupont® Elvaloy® KEE copolymer, fiberglass reinforcing scrim and polyester fleece backing. Elvaloy KEE enhances the performance and extends the useful life of polyvinyl chloride (PVC) products. KEE helps improve low-temperature performance and keeps the membrane pliable and weldable throughout its service life. The membranes are available in 105-, 115- and 135-mil thicknesses, creating a durable and versatile sheet ideal for fully adhered reroofing or new construction projects. For more information, visit www.carlisle-syntec.com.