New Castle partners with the leading manufacturers in commercial roofing & accessories. We have large inventories and cranes to help service all of your commercial roofing needs. NCBP is also THE place to find all of your commercial accessories; we stock large quantities from top brands in drains, fasteners, asphalt systems, underlayment, trim boards, roof hatches, roof vents, insulation adhesives, and repair products. Stop by the New Castle Building Products location near you or contact us to speak with a Commercial Roofing Specialist for more information.

NCBP is proud to have partnered with GAF. With a "one-technology-fits-all" mentality, GAF's goal is to help contractors build their businesses by matching the right roofing technology to their clients' specific needs. They offer all major low-slope roofing technologies, including repair and maintenance products and roof restoration systems (as well as new roofing systems).
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Combining superior products and systems with decades of proven performance, SOPREMA offers a comprehensive line of commercial roofing, waterproofing, soundproofing, wall protection and civil engineering solutions. They’re known for their industry-leading SBS-modified bitumen membranes, polymeric PMMA/PMA liquid applied membranes and synthetic single-ply PVC membranes. If you’re searching for building envelope solutions, SOPREMA is ready to match your needs with the right products. Their range of options covers diverse applications – from roofing; below-grade or above-grade waterproofing; plaza deck and balcony waterproofing; air, vapor and sound barriers; and products for bridge and parking structures.

With over 150 years in business, Johns Manville has the best offering in the industry, and is delivering a true integration of roofing components into robust systems on which you can depend. JM roofing systems are tested and proven to work together to meet the specific requirements of each individual building. Their products are single-source supplied which means single-source responsibility and dependability from a trusted partner.
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Sustainability, conservation, recyclability and reflectivity are essential features of Elevate (formally known as Firestone) products and processes. From raw material selection throughout the manufacturing process to the installation and warranting of their products, responsibility is at the heart of everything they do. Elevate’s wide array of building envelope solutions represents high quality and deep commitment to the environment.
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Known as one of the top three single-ply system manufactures in the United States. Versico has become a leading distributor over the past 25 years. Their primary focus is quality of products in the commercial roofing industry, and we are proud to distribute their products in the New York market.
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Sika Sarnafil is a thermoplastic (PVC), single-ply, commercial roofing and waterproofing manufacturer. Sika Sarnafil roofing and waterproofing systems, products and services are designed to precisely fit your specific projects needs. With more than 40 years of roofing and waterproofing experience in locations all over the world, on buildings of all types and in many diverse climates, Sika Sarnafil is the worldwide market leader in thermoplastic membrane technology. We set the bar for quality when it comes to watertight protection.
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Fibertite products benefits from Seaman Corporation’s 60-year history of developing high performance fabric technology. The 4-Layer Fibertite Technology synthesizes nearly twice as much fiber, a unique adhesive coat and a proprietary DuPont Elvaloy KEE based formula to yield a tougher, lighter, more flexible, durable and longer lasting roofing membrane. 99% of Fibertite installed roofs are still performing.
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