For years Dec-Tec 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.

Classic Line
CoolStep Slate
CoolStep Line

tradional &
Functional style

The Classic Line is one of our most popular product lines. Each membrane offers a functional and traditional feel with cutting edge membrane technology so you can enjoy style, comfort and protection.

Our classic colors compliment all décor styles and accentuate any outdoor space, whether it’s a deck, patio, boathouse, or walkways. Designed to be neutral and durable, our Classic Line is stunning in any application, from commercial to residential.

Modern &
Functional style


We’ve added four new membrane colors to our most popular Classic Line that are sure to impress. Harland, Rowan, Grafton and Ashdown boast unique wood designs on a PVC walkable surface and offer the same benefits you’ve come to love from our Classic Line.

With our proven Classic Line membrane technology, our new membrane colors complement all décor styles and accentuate any outdoor space, whether it’s decks, patios, boathouses, or walkways so you can enjoy style, comfort and protection.

With our CoolStep Line, Dec-Tec offers all the same waterproofing capabilities in the form of white, light pattern membranes with increased solar reflectance making it the perfect option for warmer, sunnier climates. CoolStep is only available as an 80mil product, automatically providing you with our 20-year limited membrane warranty and comes in two neutral toned patterns – a great option for both cool and warm color palettes.