Northwest Building Supply
Fiberon Composite Decking & More

Visit Northwest Building Supply in Andover, NJ for all of your Fiberon composite decking and railing needs. Shop for the best decking in the Andover 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, Northwest Building Supply can help you make your ideas come to life with Fiberon decking.