Timbers | Siding | Decking | Railing

Utah's Preferred Exterior Materials Building Supplier

KT Custom Exterior Supply: Your Go-To for Exterior Building Materials

KT Custom Exterior Supply specializes in offering high-quality exterior building materials to contractors, homeowners, and DIY enthusiasts. We provide a variety of products, including siding, fencing, decking, railing, and more, serving customers across Utah, Colorado, Idaho, and Wyoming. Let our experts assist you in finding the essential supplies needed to create your custom siding, patio, pergola, deck, and beyond.

DECKING

Discover an array of decking options including Composite, Wood, and Exotic Hardwood from brands like Trex, Fiberon TimberTech and Millboard.

FENCING

We provide composite and wood fence panels, posts and boards, available in a wide range of stains and colors. Additionally, we stock various hardware items.

RAILING

We offer a variety of easy-to-install railing options, including Cable, Composite, Iron, Wood and Aluminum available in numerous styles and colors.

SIDING

Explore our diverse siding options including Composite, Fiber Cement, and Wood, from well-known brands like Hardie, NewTechwood, and Fiberon.

SYNTHETIC TURF

Now offering low-maintenance Shawgrass Synthetic Turf suitable for commercial, residential, pet, and recreational applications

TIMBERS

Explore a variety of large timbers and beams that come in smooth finishes, rough sawn textures, or distressed styles, all available in an assortment of stain options

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Why Choose KT Custom Exterior Supply

At KT Custom Exterior Supply, we take immense pride in delivering personalized customer service, competitive pricing, and a wealth of product knowledge. We are selective about the products we provide, ensuring that we fully understand their performance. All our materials come with manufacturer warranties that we confidently stand behind. Our goal is to assist every customer in making informed choices regarding the materials and options available for their projects.
With more than 30 years of experience in supplying specialty building materials, we are your trusted source for all your construction needs.

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Looking to Upgrade Your Homes Aesthetics

INTRODUCING MILLBOARD -

Premium Hand Molded Wood-Free Composite Decking and Siding

Millboard elevates outdoor areas with lasting elegance. Carefully hand-molded from high-quality oak, it authentically replicates the look of natural wood while being designed to provide even greater benefits.

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CUSTOM ENGRAVING SERVICES

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