Underdecking

Also known as dry deck, underdecking is a deck add-on for deck builders who would like to expand the usable outdoor space of a deck. With a drydeck system, you can add a patio, outdoor kitchen, lounge area, or simply a dry storage space to your deck's under-deck space.

Azek - Dexerdry

Dexerdry®

Dexerdry® is an underdeck system that can be installed at the same time as your decking, and requires very little framing modification other than a sloped deck surface.

Dexerdry® has been manufactured specifically for use with most major brands of grooved decking, and can be installed with Cortex® hidden fasteners (recommended) or other standard face screw systems.

Now available in small and large rolls, Dexerdry® can be delivered to your door for installation on you or your customer's deck.

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Pro Deck Supply stocks the Dexerdry profiles for Azek, Clubhouse, Deckorators, Fiberon, TimberTech, and Wolf decking, usually available for quick-ship.

See our online store for details: Dexerdry®

Inside Out

Inside Out™ Underdeck

Inside Out™ is an aluminum-titanium alloy panel system that can be mounted below deck framing on a new or existing deck, with a carrier channel system for easy install and removal.

RainEscapes with Cedar

Trex® RainEscape®

RainEscape® is a membrane layer installed between the decking and framing which gives you the flexibility of choosing your under-deck space's ceiling, like a tongue and groove cedar or PVC.

DuxxBak Decking

TimberTech Dryspace

DrySpace is a under-frame mount drainage system that can be installed during or after a frame is built. Dryspace is a great option if water drainage is the primary goal, but it will also create a semi-finished appearance to the underside of the deck.