February 13, 2023



February 13, 2023 

CARY, N.C.–(BUSINESS WIRE)–Cornerstone Building Brands, the largest manufacturer of exterior building products in North America, announced today a new partnership with D.I. Roof Seamers that will offer its MBCI customers greater access to the latest in seamer equipment for its industry-leading standing seam profiles. Through D.I. Roof Seamers, MBCI now offers customers better seaming equipment with the newest features and expertise direct from the seamer manufacturer.  

D.I. Roof Seamers offers superior solutions so roofing contractors can install MBCI standing seam panels quickly and achieve weathertight seams. Their products are constructed from high-quality aircraft aluminum and are incredibly durable, backed by an in-depth quality control process. As a result of this partnership, effective immediately, MBCI will no longer stock, maintain or service seaming equipment. 

“MBCI is known for building partnerships as strong as our products, and that extends to our industry partners like D.I. Roof Seamers,” said Jeff Holloway, Director of Field Services, Shelter Solutions, at Cornerstone Building Brands. “We’re excited to now offer our customers the best quality seaming equipment and access to seaming expertise direct from an industry-leading manufacturer like D.I.”  

“D.I. Seamers is the leading manufacturer of seamer equipment, and MBCI is the leading brand of commercial roof and wall panels,” added Matt Cox, Vice President of Sales, MBCI. “This partnership provides our customers with access to high-quality products in both categories along with the benefit of expertise of both teams to ensure the best installation on their projects. And the best part is that the process doesn’t change for our customers. They can continue to depend on MBCI to be a single-source provider and coordinate the rentals on their behalf.”  

About MBCI 

Part of the Cornerstone Building Brands family, MBCI has partnered with our customers since 1976 to deliver high-quality metal building components backed by meaningful relationships and trusted performance. With our comprehensive portfolio and end-to-end expertise in building solutions, MBCI supports our customers throughout the project life cycle. For more information, visit mbci.com.  

About Cornerstone Building Brands 

Cornerstone Building Brands is the largest manufacturer of exterior building products by sales for residential and low-rise non-residential buildings in North America. Headquartered in Cary, N.C., we serve residential and commercial customers across the new construction and repair and remodel markets. Our market-leading portfolio of products spans vinyl windows, vinyl siding, stone veneer, metal roofing, metal wall systems and metal accessories. Cornerstone Building Brands’ broad, multichannel distribution platform and expansive national footprint includes more than 20,000 employees at manufacturing, distribution and office locations throughout North America. Corporate stewardship and environmental, social and governance (ESG) responsibility are embedded in our culture. We are committed to contributing positively to the communities where we live, work and play. For more information, visit us at cornerstonebuildingbrands.com. 

About D.I. Roof Seamers 

D.I. Roof Seamers is the largest dedicated roof seamer manufacturer in the world. They offer seamers and hand tools for rental that fit virtually any standing seam roof panel profiles on the market. 

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