Composite Decking

Create a backyard space to be proud of with Tri-Creek’s wide selection of composite deck boards, railings and accessories.

Composite Decking Supplies for Lowell and south Lake County Communities

Build outdoor living spaces to last with the best brands in composite decking. Tri-Creek stocks a wide range of colors and styles in decking material from popular brands like Timbertech® Azek and Fiberon®. In addition, we carry samples and special order product from Trex®, MoistureShield®, and Evergrain®.

We also offer pressure treated lumber for wood decks; visit our lumber yard page to learn more.

In Stock Decking


Want a traditional wood aesthetic? The TimberTech Prime+ Collection offers subtle color blending and a straight grain pattern creates an authentic wood visual that is sure to impress. The scalloped profile results in a lighter, yet just as strong, composite board. They are resistant to stains and spill and covered by a 25 Year Limited Lifetime Warranty and 25 Year Fade and Stain Warranty.


Enhance your backyard with the nature-inspired TimberTech AZEK Harvest Collection. Traditional cathedral wood grain patterns come in three warm wood tones, complementing a wide range of home siding colors. These deck boards are stain, scratch, mold, mildew, insect and moisture resistant and designed to prevent cracking. They are backed by a 50-year Limited Fade and Stain Warranty, as well as a Limited Lifetime Warranty.

In Stock Railing


Make your home a welcoming retreat with the innovative engineering behind Westbury Aluminum Deck Railing. The Tuscany series features class 2-rail designs which come in a variety of satin, textured, and multi-colored finishes. Tuscany railing comes with a lifetime limited warranty.

Pick Out Composite Decking Samples

A new deck is a big investment. Stop by Tri-Creek to see samples in person before you make a decision. We carry an extensive selection of all of our manufacturer’s lines and colors in-store!

Get Inspired

How do you envision your outdoor living space? Want to escape into a contemporary backyard oasis? Maybe you’re leaning toward traditional, cozy and rustic. Whatever your deck dreams may be, we can help bring them to life! Spark your imagination by checking out our gallery:

Get Started Now

We’re ready to help you bring your dream deck to life. Stop in and see us, contact us, or call us at (219) 696-8936!