Kalzip GmbH to Become Part of Tremco Construction Products Group
Koblenz – Kalzip GmbH (“Kalzip”), one of the leading providers of aluminum roofing, façade and building envelope systems, is now officially part of Tremco Construction Products Group (“Tremco CPG”), part of RPM International Inc.
With this acquisition, Kalzip enters the next phase of its corporate development under the umbrella of a globally leading construction products group. Tremco CPG is part of RPM International Inc., one of the world’s leading companies in construction materials, specialty coatings and sealants.
Over the past years, Kalzip has successfully strengthened its market position and further expanded its international footprint. With approximately 180 employees and revenues of around EUR 75 million in fiscal year 2024, the company operates through numerous international sales offices and a globally deployed fleet of mobile production units.
By joining Tremco CPG, Kalzip will benefit from strong industrial expertise, complementary product portfolios and access to additional international markets. The partnership creates significant opportunities to expand integrated building envelope solutions and to deliver enhanced value to customers worldwide.
Kalzip will continue to operate under its established brand, maintaining its commitment to innovation, quality and customer-focused solutions.

From left to right: Andrew Leach, CEO of Kalzip; Scottie Stinson, President of Tremco CPG

About Kalzip
Kalzip is one of the leading providers of aluminium and metal roofs, façades and complete building envelopes. Since 1968 the company has produced roof and façade systems using advanced roll forming technology. To date, more than 120 million square metres of Kalzip aluminium profile sheets have been installed worldwide, with demand continuing to grow. Kalzip is represented internationally with numerous sales offices and a globally available fleet of mobile production units.
Kalzip aluminium building systems meet the highest requirements for building physics and architectural design, delivering both functional and visually impressive solutions for roofs and façades.
Publisher:
Kalzip GmbH
Press Contact:
Yannick de Beauregard
August Horch Str. 20–22
56070 Koblenz
Tel: +49 261 9834 217
Email: Yannick.Gouder-de-Beauregard@kalzip.com







