Frontier Building Supply - Coupeville
Fiberon Composite Decking & More

We provide the highest quality lumber and sheet goods to custom home builders, contractors, and remodelers. Visit one of our six locations in Skagit County, Island County, or San Juan County!

Visit Frontier Building Supply - Coupeville in Coupeville, WA for all of your Fiberon composite decking and railing needs. Shop for the best decking in the Coupeville area that will last long term. Transform your deck with high quality WPC and PVC decking that won’t warp, rot or splinter, so the look you love today will be there tomorrow. Wooden decking simply can’t compare. Experience a one-of-a-kind experience with our discovery deck design software that helps you visualize your dream deck, or browse through great Fiberon deck inspiration with our inspiration gallery. Whether you're looking to redesign your pool deck, front porch, or totally transform the look and feel of your backyard, Frontier Building Supply - Coupeville can help you make your ideas come to life with Fiberon decking.