Roofing & Siding Contractors

PA Building Supply is a trusted partner for roofing and siding contractors, offering the products, support, and service you need to keep jobs moving and clients satisfied. We stock a wide range of top-performing materials from industry-leading brands—shingles, metal roofing, underlayment, flashing, vinyl and fiber cement siding, house wrap, trims, accessories, and more—ready for pickup or delivery when and where you need it. Our deep inventory ensures consistent availability, while our competitive pricing helps protect your margins.

Beyond materials, we offer value-added services that make a difference in your day-to-day work. From accurate estimating and takeoffs to reliable, jobsite-scheduled deliveries with moffett service, we’re committed to helping you stay on time and on budget. Our team understands the fast-paced nature of exterior work and provides responsive, knowledgeable support to help you overcome challenges and meet project demands with confidence.