European single ply roofing market leader FDT has just unveiled the long-awaited Technical Manual Editions on its premier products Rhepanol fk is a unique, ecofriendly and versatile membrane based on chalk, carbon and polyisobutylene (PIB), a synthetic rubber material with a prefabricated self-sealing edge that makes it easier to seal seams and provides permanently secure joints. Rhenofol is a completely recyclable and durable roofing membrane made of non-rigid polyvinyl chloride (PVC-P) that can provide cost effective and practical solutions for a wide variety of surfaces.