New Castle Building Products is a wholesale distributor of exterior building materials, with a focus on metal, residential, and commercial roofing. Founded in 2002, the company operates 23 locations across the Northeastern United States, with a geographic reach spanning from Massachusetts to Maryland. It employs over 425 people and maintains relationships with more than 400 vendors.
The company's portfolio includes a range of products such as cedar, slate and tile roofing, commercial and residential roofing accessories, siding, decking, trim boards, waterproofing solutions, windows, skylights, and metal products. It also offers proprietary private label items including repair tapes, adhesives, cements, coatings, primers, cleaners, and underlayments.
New Castle Building Products states that its mission is to build professional relationships based on caring about quality, service, and success. The company operates according to core values of teamwork, honesty, accountability, flexibility, and passion.





