Exterior cladding for your home in wood, vinyl, PVC and more.

Protect and beautify the exterior of your home with beveled cedar, wood shakes or shingles, vinyl siding, beadboard and much more. Riverhead Building Supply has all the siding supplies you need for your project. Our vast selection includes exceptional siding materials from Exterior Portfolio®, James Hardie®, Maibec, SBC and Boral—and all products are in stock and ready for delivery to your job site.