Specify Elevate PVC KEE XR for unquestionable durability. Elevate PVC KEE XR is produced with polyester reinforcement and fleece backing for installation ease and on-roof strength. The polyester weft-inserted reinforcement increases the membrane's strength and limits damage in the event of a puncture. Installation flexibility enables the roofing system to be adhered with varying Elevate adhesives. Or, the Elevate PVC XR membrane may also be mechanically attached with approved Elevate fasteners and HD Seam Plates.