Park Union Lumber
Fiberon Composite Decking & More

Park Union Lumber Company is the oldest lumber yard in New Jersey, serving builders, developers, contractors, and homeowners since 1864. Located in Randolph, NJ, we offer a wide range of building materials including lumber, plywood, molding, decking, w...

Visit Park Union Lumber in Randolph, NJ for all of your Fiberon composite decking and railing needs. Shop for the best decking in the Randolph 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, Park Union Lumber can help you make your ideas come to life with Fiberon decking.