Acquisition expands RPM's global building envelope portfolio
RPM International Inc. (NYSE:RPM) today announced that a definitive agreement has been signed for its Tremco Construction Products Group ("Tremco CPG") to acquire Kalzip GmbH ("Kalzip"), a global leader in the design and production of metal-based roofs and facades for building envelopes. The transaction will bolster Tremco CPG's building envelope systems capabilities with a premier brand known for architectural innovation and high-performance solutions that meet demanding specifications.
Kalzip is a globally recognized leader in aluminum roofing and façade systems. Headquartered in Koblenz, Germany, the company specializes in customized lightweight, weather-resistant building envelope technologies. Delivering over 1.2 billion square feet of aluminum solutions worldwide, key projects have included El Prat Airport roof refurbishment in Barcelona, Mercedes Benz Arena in Berlin, Children's Hospital Dublin and Ikea Dubai. Kalzip generated calendar year 2024 net sales of approximately €75 million. The acquisition enhances Tremco CPG's position in key international markets, including Europe and India, while creating future opportunities to expand Kalzip's aluminum systems to North American customers.
The addition of Kalzip represents a strategic enhancement to Tremco CPG's integrated portfolio of building envelope solutions, which includes roofing restoration and maintenance systems, field-applied and panelized EIFS, panel systems, sealants, waterproofing and more. This combination aligns with Tremco CPG's strategy to offer a seamless, end-to-end approach to construction that enhances building efficiency, durability and aesthetics.
The transaction is expected to close in the fourth quarter of fiscal 2026, subject to customary closing conditions. Andrew Leach, along with the current senior management team, are expected to remain with the business to ensure continuity and accelerate growth in partnership with Tremco CPG.
"This acquisition aligns with our strategy to build leadership positions in selling systems to high-growth, high-specification construction markets," stated Frank C. Sullivan, RPM chairman and CEO. "Kalzip provides Tremco CPG with a world-class platform in the attractive aluminum building envelope sector that enhances building efficiency and durability. We are well-positioned to leverage our global marketing and operational expertise to support the brand's continued growth. I am pleased to welcome the talented Kalzip team to RPM."
About Tremco Construction Products Group
Tremco Construction Products Group (Tremco CPG), part of the RPM International Inc. portfolio, unites industry-leading building envelope solutions manufacturers and trusted brands—including Tremco, Nudura, Dryvit, Willseal, Flowcrete, Nullifire and Vandex—to deliver comprehensive, integrated construction systems. With operations spanning North America, Europe, Asia-Pacific, India and Latin America, Tremco CPG has a global presence supported by regional businesses and distributors who understand local market needs. Tremco CPG solutions ensure long-lasting performance for commercial, industrial and residential projects worldwide, while international teams collaborate on training, testing and innovation to build high-performing structures in any geography or climate.
About RPM
RPM International Inc. owns subsidiaries that are world leaders in specialty coatings, sealants, building materials and related services. The company operates across three reportable segments: consumer, construction products and performance coatings. RPM has a diverse portfolio of market-leading brands, including Rust-Oleum, DAP, Zinsser, Varathane, The Pink Stuff, Legend Brands, Stonhard, Carboline, Tremco, Dryvit and Nudura. From homes and workplaces to infrastructure and precious landmarks, RPM's brands are trusted by consumers and professionals alike to help build a better world. The company employs approximately 17,800 individuals worldwide. Visit www.RPMinc.com to learn more.
Forward-Looking Statements
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Matt Schlarb, Vice President – Investor Relations & Sustainability
330-220-6064
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