For over 25 years DecTec™ has delivered proven waterproofing and roofing solutions for decks, balconies, walkways and many other types of exterior surface applications. As North America's leading innovator in pedestrian traffic bearing PVC membranes, along with industry leading system accessories and components, water intrusion problems on deck areas are a thing of the past. DecTec, over 35 years of proven technology and proven performance.