Winner of Architect magazine’s 2009 R+D Award, DryJoistEZ is a structural deck drainage system that provides the structure of the deck, a waterproof solution and a finished ceiling with a traditional beadboard appearance, all in one step! DryJoistEZ is easy to handle and cut and can be installed in any weather conditions, wet or dry. It is perfect for balconies and decks for both residential and commercial applications.

Structural Deck System with a built-in Waterproof Solution: replacing traditional wooden joists while creating a 100% dry space in the area below. It's a single system, integrative design that eliminates add-on gutter systems, waterproofing membranes or drainage substructures.

DryJoistEZ uses only two components and is engineered for versatility, installation speed and ease of workability. Build a deck structure that has the strength to support and secure any type of decking material in any design or pattern, all while forming a waterproof barrier for the space below.

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For deck design ideas and inspiration view the projects and products that make it possible to build a truly custom deck surface on the same joist structure that creates a dry outdoor living retreat below.

DryJoistEz is a structural approach to decking that eliminates the need for a multi-step process of waterproofing an exterior balcony. In one step, a developer can add structure, waterproofing, and durability to a balcony.





DryJoist and DryJoistEZ hold U.S. Patent No. 8,276,344