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The Deck Store is Canada’s premier deck and outdoor living design, supply, and build company.
We are the largest volume dealer of decking and outdoor building materials in the Canadian market.

We are Your Outdoor Living Specialists! Trust us to help you create your ideal Outdoor Living Space.

TREX Flat Post Cap

CA$13.99CA$19.95 + HST

  • 4” x 4”: 4.55” x 4.55” (115 mm x 115 mm)
  • 6” x 6”: 5.55” x 5.55” (140 mm x 140 mm) – AVAILABLE IN CLASSIC WHITE ONLY

Cap topping each post is the decorative finish that also withstands the weather.


Upgrade Your Deck with TREX Flat Post Cap

Enhance your deck’s aesthetics and durability with the TREX Flat Post Cap. This stylish and functional accessory gives your deck’s posts a polished and sophisticated look, ensuring your outdoor space stands out.

Elegant Design and Superior Protection

The Flat Post Cap adds a touch of elegance with its sleek, flat design. Made from high-quality, weather-resistant materials, this post cap boosts your deck’s visual appeal and provides superior protection against the elements. Its durable construction safeguards your deck posts from moisture, UV rays, and other environmental factors, preventing damage and extending your deck’s lifespan.

Easy Installation Process

Installing the Flat Post Cap is straightforward and efficient, making it perfect for both DIY enthusiasts and professional contractors. Designed for a secure fit, these post caps easily snap onto your deck posts, ensuring a snug and stable attachment. With no complicated tools or procedures required, you can quickly and effortlessly upgrade your deck’s look and functionality.

Learn more. For use with TREX Transcend railing

Additional information


Classic White, Charcoal Black, Fire Pit, Gravel Path, Rope Swing, Tree House, Vintage Lantern

Select Size

4" x 4", 6" x 6"