The Ultimate Time Saving 100% Waterproof Deck System For Balconies and Second Stories

Tired of leaks, rot, mould and mildew? What about waterproofing that's
difficult and time consuming to install and ends up failing anyway? 


3 Products in 1

  1. Waterproof Substructure - Deck drain allows for 100% waterproof area underneath
  2. Joist System for Decking - Low profile structural system will span up to 1.8metres
  3. Finished Ceiling Underneath - Powder-coated bead board finished soffit ceiling

What is DryJoist?


Structural Deck Drainage System

DryJoist is a structural deck drainage system that provides the structure of the deck, a waterproof solution and a finished ceiling with a traditional bead board appearance, all in one step! DryJoist 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.

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.


With only two components, DryJoist is perfect for new construction or remodelling existing structures and provides a lifetime of strength and durability. DryJoist is capable of spanning 1800mm without the need of support beams and provides structural support for deck boards every 150mm on centre. Installation requires standard deck tools and the lightweight aluminium boards are much easier to handle than traditional materials such as pressure treated timber.


Made of marine-grade, precision-extruded aluminium, the system is strong enough to replace the need for conventional wood joists and is impervious to rot, insects, mildew, and fire.



Discussing your project in its early stages saves valuable time and resources on the finished product.

Get in touch with us now to see how we can help. No job is too big or too small.

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