Wood, wood-composite and capped PVC decking materials

Great decks begin with our large inventory of superior decking materials that stand up to even the harshest weather. Choose from time-tested decking species such as cedar, Ipe, mahogany and southern yellow pine, or the popular premium wood-composite and capped PVC decking materials that are designed to provide the beauty, durability and lower maintenance demanded by today’s customer.

Featured brands

TimberTech Decking

Riverhead Building Supply stocks TimberTech decking in multiple locations. Do Decking Differently with the multi-width deck boards from narrow (3.5”), standard (5.5”), or wide (7.25”). Offer customers real wood looks that are low-maintenance, beautiful and made from sustainable materials. Multiple collections allow you to offer a Good-Better-Best option based on budget and design.
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Riverhead Building Supply stocksDeckorators low maintenance decking backed by an extraordinary warranty. Unique finishes and features that work for any style. This mineral-based composite (MBC) decking has the industry’s best strength-to-weight ratio. Welcome to the families of Deckorators ® decking.
Featured brands


Riverhead Building Supply stocks multiple lines of cellular PVC railing systems from Intex Millwork. 100% extruded cellular PVC with aluminum reinforced core. Intex railings are both functional and beautiful, adding curb appeal to your project. Systems are available in 6, 8 and 10 foot lengths in a matte finish.
Featured brands


Riverhead Building Supply stocks Feeney CableRail components, the original stainless steel cabling system for wood, metal, and composite-sleeved wood railings. CableRail celebrates the view with slender cables and hidden fittings that virtually disappear. Weather-tough 316-grade stainless steel cable and fittings are ultra-low maintenance and precision manufactured – perfect for both residential and commercial projects.

Our decking and accessories brands

intex deck railing