Tremco CPG Acquires Aluminum Roofing Manufacturer Kalzip

The acquisition expands Tremco's building envelope offerings and global reach.

Apr. 8, 2026 at 3:08pm

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Tremco Construction Products Group (Tremco CPG) has announced the successful acquisition of Kalzip GmbH, a global leader in the design and production of aluminum-based roofs and facades for building envelopes. The acquisition will allow Tremco CPG to expand its business across Europe, India, and other regions where Kalzip already has a strong presence, as well as offer a wider range of aluminum building envelope options to its North American customer base.

Why it matters

The acquisition aligns with Tremco CPG's strategy of offering a seamless, integrated approach to modern construction, enhancing efficiency, durability, and aesthetic appeal for new construction and restoration projects. The combined expertise and product portfolios of the two companies will enable them to deliver tailored, high-performance, end-to-end building envelope systems for diverse architectural and restoration needs across global markets.

The details

Kalzip, based in Koblenz, Germany and founded in 1986, specializes in lightweight, weather-resistant, and flexible roof systems, as well as aesthetically advanced and functional facade technologies. The company's cutting-edge roll-forming machines and mobile production units ensure high-quality, customizable solutions for architects, planners, and installers. Kalzip has delivered over 1.2 billion square feet of aluminum solutions worldwide, with key projects including LAX Metro Station, the Louisiana Superdome, and the Pickering GO Pedestrian Bridge.

  • Tremco CPG announced the successful acquisition of Kalzip GmbH on April 8, 2026, following the completion of the standard regulatory review process.

The players

Tremco Construction Products Group (Tremco CPG)

A global leader in the design and production of building envelope solutions, including roofing restoration and maintenance systems, field-applied and panelized EIFS, MCM and ACM panels, sealants and waterproofing, floor coatings, passive fire protections, and structural solutions.

Kalzip GmbH

A global leader in the design and production of aluminum-based roofs and facades for building envelopes, founded in 1986 and based in Koblenz, Germany.

Scottie Stinson

President of Tremco CPG Inc.

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What they’re saying

“In addition to expanding our business across Europe, India and other regions around the world where Kalzip already has a strong presence, this acquisition will eventually allow Tremco CPG to market a wider range of aluminum building envelope options to our North American customer base.”

— Scottie Stinson, President, Tremco CPG Inc.

“Our global reach, complementary product portfolios and customizable solutions will enable Kalzip, as part of Tremco CPG, to deliver tailored, high-performance, end-to-end building envelope systems for varied architectural and restoration needs across diverse markets and large-scale projects.”

— Scottie Stinson, President, Tremco CPG Inc.

What’s next

As the integration process progresses, more details will be shared on how Kalzip's aluminum roofing and façade products will be integrated into the Tremco CPG brands in North America, while the Kalzip brand will continue to be used in Europe, India, and other global markets.

The takeaway

The acquisition of Kalzip by Tremco CPG represents a strategic move to expand the company's global reach and product offerings in the high-performance building envelope market, leveraging Kalzip's innovative aluminum technologies and Tremco CPG's integrated portfolio of roofing, waterproofing, and other construction solutions.