As one of the world's largest single-ply roofing manufacturers, Versico Roofing Systems continues to offer quality, innovation and expertise through its integral line of VersiGard® EPDM, VersiWeld® TPO, VersiFlex® PVC, VersiFleece® TPO and PVC fleece-backed roofing systems, roof garden systems and a complete line of insulation and accessory products.