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Clam Shell
Trex Clam Shell deck boards bring the timeless appeal of classic gray to outdoor living. With subtle woodgrain texture and a versatile neutral tone, Clam Shell creates a clean, modern look that complements any home style. Perfect for homeowners who want the beauty of gray decking without the upkeep, these composite boards resist fading, staining, and splintering for long-lasting performance. Backed by a 25-year residential fade & stain warranty, Trex Clam Shell delivers reliable durability with a stylish, low-maintenance finish.
Composite Decking Boards Shop
Your backyard deserves more than just a surface to walk on, it deserves a space where memories are made. That’s exactly what composite decking offers. With the rich look of real wood and the durability of modern materials, you can enjoy the beauty of a deck without worrying about constant upkeep.
Why Homeowners Love Composite Decking
No extra work. Forget about sanding, staining, or sealing every year.
Built to last. Say goodbye to rot, mold, and splinters.
Eco-conscious choice. Made with recycled wood fibers and plastics.
Looks that wow. From warm natural tones to sleek modern finishes, there’s a style for every home.
Safe for everyone. Comfortable underfoot and slip-resistant for peace of mind.
National Decking – Your Local Deck Experts
At National Decking, we don’t just sell products, we help you build the outdoor space you’ve always imagined. Whether you’re a homeowner dreaming of summer evenings outside, or a contractor bringing a client’s vision to life, we’ve got you covered with:
Canada’s leading brands like Woodbridge, Trex, TimberTech, Fiberon, TruNorth, Clubhouse, Zuri and more.
A knowledgeable team ready to guide you through every step
A huge in-stock inventory so you don’t have to wait
Fast delivery across the GTA and surrounding areas
A welcoming showroom where you can see, touch, and compare materials yourself
Ready to Build Your Dream Deck?
From decking boards and railings to lighting and accessories, we’ve got everything you need under one roof. At National Decking, we believe your deck should be a place to relax, connect, and enjoy life—not another weekend project on your to-do list.
Browse our collection today and let’s start building the deck you’ve been waiting for.