Creating a dry under deck area dramatically increases the usable space of your outdoor living oasis. Of course, the key is to make sure it’s done right so that your deck is indeed, waterproof.

At Wahoo Decks, we offer two different solutions to help you waterproof your deck or balcony—AridDek and DryJoistEZ.

Both of our waterproof aluminum deck solutions are naturally water-resistant due to the inherent nature of aluminum. Aluminum decking is also:

  • Innately strong and durable.
  • An environmentally-friendly decking choice. It’s made of 50% recycled aluminum and neither consists of – or requires cleaning by harsh chemicals.

Now, let’s review the difference in these two deck waterproofing products…

AridDek is an aluminum deck board with a tongue-in-groove design that creates a beautiful, low maintenance deck surface while providing the added bonus of an integrated gutter system for a dry, usable space below deck.

AridDek aluminum decking has a powder-coat to increase protection and durability, as well as color customization. Additionally, as with all our aluminum decking choices, it’s also a low-maintenance decking option. Aluminum decking also stays cooler than wood, composites, or concrete. AridDek is cooler to the touch when compared to traditional deck waterproofing options. The top surface of AridDek has texture for safety. The interlocking tongue-and-groove decking design of each watertight decking board forms a completely solid surface when connected.

*See an animation of how the AridDek waterproof aluminum decking system boards lock together when connected

AridDek also includes a hidden gutter system that serves to shuttle any water that does get through. And since it is one inch tall, it can also be the perfect replacement for existing decking.

More good news is AridDek’s simple installation process. AridDek goes over a traditional joist system and includes a start board, main boards, and a finish board. We recommend that AridDek be perpendicular to the structure so the water will drain at a point furthest from the structure.

*Learn more about how AridDek aluminum decking works

DryJoistEZ – our completely waterproof aluminum deck drainage system –is a watertight solution for a totally dry space under your deck area.

Made from marine grade aluminum, DryJoistEZ has many of the same benefits as AridDek aluminum decking. It’s tough and strong and it won’t ever rot, chip, warp, crack, or split.  Since the aluminum has a powder-coat, it doesn’t need paint.

DryJoistEZ is not only an alternative to wood framing, it’s an alternative to waterproofing a deck or balcony as well. The DryjoistEZ planks are capable of spanning 6’ post to post on a single span and 8’ post to post on a multi- span, eliminating the need for wood joists 12 or 16 inches on center. The underside of DryjoistEZ is precision extruded with grooves so that when planks are interlocked, they resemble a traditional beadboard pattern on the ceiling of the area below the deck. You can secure any type of decking material, all while forming a waterproof barrier for the space below the deck itself!

Can you imagine how much easier it would be to have your deck waterproofing be a proactive, well-considered, planned, part of your deck design instead of an afterthought? This means no more add-on gutters or drains to detract from your deck’s beauty or that only work part-time.

Today there are so many possibilities to maximize your outdoor living spaces! Between waterproofing options that allow you to have that fully dry area below, the ability to add wiring into the dry channel of the DryjoistEZ, and then the option to top it all off with beautiful, prestigious-looking and durable deck railing options, your deck plan can be truly unique.