# RPM International acquires Kalzip GmbH for aluminium roofing systems

RPM International Inc. finalized its acquisition of Kalzip GmbH, a German manufacturer of aluminium roofing and facade systems, bringing the business under its Tremco Construction Products Group. Kalzip reported net sales of around EUR 75 million in 2024.

- Type: Acquisition
- Announced: 2026-04-02
- Where: Koblenz, Germany
- Status: completed
- Products: aluminium roofing and facade systems
- Sectors: [Construction Materials](https://endata.com/sectors/construction-materials.md)

## Companies

- [RPM International Inc.](https://endata.com/companies/18548.md) (acquirer)
- [Kalzip Group](https://endata.com/companies/34787.md) (target)

## Sources

- [alcircle.com](https://www.alcircle.com/news/rpm-adds-aluminium-roofing-capabilities-with-kalzip-acquisition-117873), 2026-04-02: "RPM International Inc. has finalised its acquisition of Kalzip GmbH, a company known for its aluminium roofing and facade systems."
- [paint.org](https://www.paint.org/newsroom/news/page/7/), 2026-04-10: "RPM International Inc. announced that it has completed the previously announced acquisition of Kalzip GmbH."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.