Put water in its place™

Channel water away from your foundation

Arrows depicting how water drains out of the panel system.

THE PITCH IS IN THE PANEL™

Engineered to move water away from your home's foundation.

Wooden balcony with railings and an UnderDeck Shields system installed underneath.

Creates dry, usable space below elevated decks

Instantly adds dry, usable living or storage space.

Deck with close-up showing how panels protect the joists.

Protects joists from the elements

When installed from above, it protects joists and extends life of the deck.

It’s never been easier to create dry, usable space

The space under decks has been neglected. Distributing water and creating dry, usable space has been expensive, ineffective or just plain ugly… until now. UnderDeck Shield is the building industry’s first affordable, universally adaptable solution for drainage control.

Panel A

Panel A is placed closest to the house

Panel B

Panel B is then placed under
the end of Panel A

Panel C

Panel C is then placed under
the end of Panel B

Diagram showing the interlocking system for panels A, B, and C with text explaining the process. Diagram showing the interlocking system for panels A, B, and C with text explaining the process.
Person measuring joist distances.
We'll do the math

With a couple of simple measurements, the UnderDeck Shield Calculator will estimate what you need to get your deck in check. Grab a tape measure, and let’s get started.

Calculate Your project Now

Anatomy of an Underdeck Shield Panel

Panel A

Panel Label

Each panel is clearly marked for easy identification and installation sequencing.

The Pitch is in the panel™

We take the worry and guesswork out of channeling water. Our integrated slope feature is engineered to get water moving and keep it moving away from your home’s foundation.

Sequential panel design

Our interlocking panels are easy to handle and offer the industry’s most DIY-friendly installation process

Lightweight and tough

Made of lightweight composite, our panels weigh just over 3 lbs, are weather-resistant and incredibly durable.

Screw points

Dimples in the material indicate where to place fasteners for underside installation.

Extends the life of your deck

When installed from above, UnderDeck Shield panels cover your structural joists, reducing exposure to the elements and ultimately extending the life of your deck.

Diagram of an UnderDeck Shields panel showing labeled features on a white background.

Made Right Here in the Midwest

Our lightweight panels are thermoformed and precisely trimmed for consistency and uniformity. We partner with a select group of closely vetted manufacturers located in the Midwest and source our raw materials right here in the U.S.

Underdeck Shield Resources

Installation Guides
FAQS
Video Resources