Trex Beach Dune Composite Decking 20ft Grooved

The Trex Beach Dune Composite Decking 20ft Grooved board is ideal for long deck runs, large outdoor spaces, and modern installations using hidden fasteners. The 20ft length reduces seams and creates clean, uninterrupted lines. The grooved edge allows for a screw-free surface, giving your deck a sleek, professional appearance.

Beach Dune is known for its soft sandy-brown colour with a subtle wood-grain composite texture a warm, coastal-inspired tone that complements nearly any home exterior.
Verified color info: Trex Enhance Basics Beach Dune is a “light brown, coastal sandy shade” with blended grain pattern

As part of the Trex Enhance Basics Collection, this board provides excellent durability, moisture resistance, and low maintenance without the price tag of premium lines.

Key Features & Benefits

• 20 ft length for long runs – Fewer joints and smoother visual flow perfect for larger decks and expansive layouts.
• Grooved profile for hidden fasteners – Achieves a clean, modern finish free of visible screws.
• Warm Beach Dune tone – Sandy-brown with wood-grain composite finish welcoming, natural, and easy to pair with railings and siding.
• Composite durability (95% recycled materials) – Resistant to rot, mold, mildew, warping, splintering, and moisture.
• Protective outer shell – Improves stain resistance, colour retention, and day-to-day wear durability.
• Low maintenance – No painting, staining, or sanding required just periodic cleaning with mild soap and water.
• Budget-friendly performance – The Enhance Basics line offers strong value while maintaining Trex durability.
• 25-Year Limited Residential Fade & Stain Warranty

Trex Beach Dune Composite Decking 20ft Grooved boards are engineered for convenience:

• Clean occasionally with mild dish soap and water
• No staining, sealing, or sanding needed
• Protective shell reduces fading and discoloration
• Mold-resistant cap layer simplifies maintenance even in humid climates

Q&A

What is the benefit of choosing a 20-foot board?
It minimizes seams and creates long, continuous deck runs, perfect for large areas.

Is Trex Beach Dune Composite Decking 20ft Grooved a good colour for most homes?
Yes. Its sandy-brown tone is neutral and works well with stone, brick, vinyl siding, and modern composite railings.

Can I install this board with hidden fasteners?
Yes. The grooved edge is specifically engineered for Trex Hideaway clips or compatible hidden systems.

Does the board fade over time?
Trex Enhance Basics boards include a cap layer and a 25-Year Fade & Stain Warranty.

Is this a good choice for Canadian climates?
Absolutely. Composite boards resist moisture, freeze–thaw cycles, warping, and rot, outperforming traditional wood.

Does it require annual maintenance?
No. Simply wash off dirt or pollen, no sealing or repainting.

Applications

• Large backyard decks
• Cottage decks with long spans
• Hidden-fastener installations
• Poolside or waterfront areas
• Long stair runs or elevated platforms
• Low-maintenance outdoor projects

Why Choose Trex Beach Dune Composite Decking 20ft Grooved

This board is ideal if you want:

• A modern, screw-free deck surface
• Warm natural aesthetics without upkeep
• Long boards that reduce seams
• Proven durability backed by Trex warranties
• Affordable composite performance

Homeowners get beauty and simplicity.
Contractors get efficiency, reliability, and fewer cuts on site.

Order Now

Upgrade your outdoor project with Trex Beach Dune Composite Decking 20ft Grooved long-lasting, low-maintenance performance with a natural sandy-brown look, available at National Decking, top supplier in Canada.