DuxxBak® Dekk water-shedding technology keeps the area beneath your deck dry, creating more usable protected space and extending the life of your outdoor living environment.

DuxxBak® Dekk fastening wings eliminate the need for screw plugs.

Available in beautiful finishes, your deck will stay vibrant and beautiful — and last. Plus, the sleek, professional finish is perfect for any kind of home.

One-Step Installation

DuxxBak® Dekk requires fewer materials for installation and little maintenance, and no secondary drainage system or hidden gutters are needed.

The wood-free material resists mold, rot and decay for a cleaner, longer-lasting deck without the downsides of wood.

Lifetime Limited Warranty

Feel confident in your investment with manufacturer-backed warranty protection that lets you relax and elevate your outdoor living experience.

What’s DuxxBak® made of?

DuxxBak® composite decking is made from a patented blend of BioDac® (a reclaimed cellulose fiber), rice hulls and virgin high-density polyethylene (HDPE). There’s no wood filler and no PVC, which means better moisture resistance, better color retention and no risk of rot.

How strong is DuxxBak® decking?

DuxxBak® Dekk spans joists at 24 inches on center (OC), and our Commercial Dekk can span 28 inches OC with a live load rating of 100 pounds per square foot. These industry-leading span and strength ratings make the decking ideal for residential, commercial and marine applications.

Is this a renewable product?

Yes, DuxxBak® is made with over 50% renewable or reclaimed materials, including BioDac® and rice hulls. There’s no wood filler or PVC, and it’s fully recyclable.

What’s the DuxxBak® warranty?

DuxxBak® is backed by a limited lifetime warranty, covering structural integrity, rot, mildew, termites and significant color fade. The first 10 years are non-prorated; years 11 through 25 are on a straight-line depreciation. After year 25, coverage stays at that rate for life.

How do I clean DuxxBak® decking?

Occasional cleaning is recommended to keep the deck looking fresh:A nylon bristle brush or broom can be used to loosen surface debris.A pressure washer with a fan tip may be used carefully, guiding the wand along the grain at a consistent height. Always test a small area first to avoid damaging the surface texture.A mild household cleaner is acceptable for removing stains. Avoid harsh chemicals or abrasive tools (like wire brushes), which may damage the surface appearance.

These deals are too good to last. Shop the Closeout Event now. >

Link to Lowe's Home Improvement Home Page

Find a Store Near Me

Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

DuxxBak® Composite Decking

Nothing falls through the cracks. Shop water-shedding decking.

Keep the space beneath your deck dry. Shop Duxxbak dekk now.

Durable decking that's built for any environment. Shop Duxxbak now.

DuxxBak^® composite decking combines timeless style, strength and innovation to deliver an elevated outdoor living experience. Proudly made in the United States, this mineral-based composite decking offers durability and superior resilience. It resists mold, mildew, decay and cracking, making it an ideal low-maintenance option for any environment.

Shop Popular DuxxBak® Products

DuxxBak® Dekk

I.Dekk® T&G

I.Dekk® HD

Shop All DuxxBak® Products

Upgrade Your Outdoor Space

Transform your backyard into a desirable retreat with DuxxBak^® water-shedding composite board for elevated decks, balconies or walkways. DuxxBak^® Dekk creates a watertight surface and channels all water away from your home, leaving the space beneath dry.

Shop DuxxBak® Dekk

Explore DuxxBak® Finishes & Colors

Driftwood

Boardwalk Gray

Cool Sand

Copper Canyon

Mahogany

Warm Cedar

Shop DuxxBak® Dekk Accessories

DuxxBak® End Caps

Clear Adhesive Sealant

DuxxBak® Mounting Clips

Shop All Accessories

Why Choose DuxxBak® Dekk for Dry Space?

Engineered for Every Application

Frequently Asked Questions

Occasional cleaning is recommended to keep the deck looking fresh:

A nylon bristle brush or broom can be used to loosen surface debris.
A pressure washer with a fan tip may be used carefully, guiding the wand along the grain at a consistent height. Always test a small area first to avoid damaging the surface texture.
A mild household cleaner is acceptable for removing stains.
Avoid harsh chemicals or abrasive tools (like wire brushes), which may damage the surface appearance.

Like all decking, DuxxBak^® warms up in direct sunlight, especially darker colors, which can reach 130 to 140 degrees Fahrenheit. But thanks to its open-channel profile, it cools down faster than solid-core boards by allowing airflow beneath the surface. Our traction finish has also been tested to perform within 4% of the surface temperatures of products marketed as cool deck technology. Plus, it offers superior slip resistance, even in hot or wet conditions.

Shop DuxxBak® Decking at Lowe’s

Transform your outdoor space with durable DuxxBak^® decking. Made from material that’s engineered with a no-drip-through design, DuxxBak^® decks will elevate your outdoor living space.

DuxxBak^® composite decking combines durable performance with the look of real wood. It resists moisture, mold, mildew and environmental breakdown without using any wood fillers. For instance, consider the DuxxBak^® Dekk wood-free composite decking system that features a patented water-shedding design that’ll keep the space beneath your deck dry, eliminating the need for gutters. It’s made of renewable resources and offers long-lasting performance, making it a smarter and low-maintenance choice.

Built to perform in any environment, DuxxBak^® delivers style, strength and innovation. Plus, you can check out samples of DuxxBak^® decking colors to help narrow down the one that’ll complement your home.