Premium Decking Materials for Contractors & Homeowners in Metro Denver, CO

There’s nothing quite like the satisfaction of building something that lasts. Whether you’re a contractor working on a client’s dream backyard or a homeowner tackling a deck project of your own, quality materials make all the difference. At Mile High Deck Supply, we provide reliable decking products designed to withstand Colorado’s unique climate—offering lasting durability, weather resistance, and standout curb appeal. From classic composites to modern railing systems, we help you build decks that look great and perform even better.

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Decking Supplies

Mile High Deck Supply carries everything you need to build the perfect custom deck for any home, from various hardwearing materials to a wide variety of hardware options and accessories.

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Patio Covers

If you’re interested in simply covering a patio area, you’ve still come to the right place. We offer Sundance pergolas with operable roofs that can function exactly like patio covers.

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Outdoor Accessories

We offer a wide range of outdoor accessories to enhance your backyard space. Our selection includes railings, privacy screens, lighting, and more.

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Build Better, Faster, Smarter with Mile High Deck Supply

There are many reasons why you can trust Mile High Deck Supply to provide you with the decking materials you need and the smooth customer experience you want. These include:

Knowledge

Our team possesses expert knowledge of all the products we offer, so you can count on us to answer any questions you may have and help solve any problems you may encounter.

Selection

We carry only top-quality decking materials from trusted brands like Trex, Deckorators, and Fortress—so you can count on premium performance, durability, and style with every product.

Assistance

Could you use a hand with your upcoming build? Mile High Deck Supply is happy to help! We can provide you with professional assistance on upgrading your outdoor space.

Experience

Our team has spent many years in the decking industry, giving us not only a thorough understanding of the materials we offer, but also plenty of strong industry relationships.

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Your Trusted Denver Deck Supply Store

You don’t have to be a professional contractor to build a great deck—we’re here to help every step of the way. At Mile High Deck Supply, we support homeowners, DIYers, and builders alike with expert guidance, high-quality materials, and trusted advice. Whether you're tackling your very first deck or managing multiple outdoor projects, our team will help you choose the right decking boards, railings, fasteners, and outdoor furniture to match your vision and budget. We're proud to serve the entire Denver metro area with everything you need to build a beautiful, long-lasting outdoor space.

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