RPM International Inc. has officially completed its acquisition of Volteco S.p.A., an Italian leader in specialized waterproofing technology. The strategic move integrates the Ponzano Veneto-based company into the Tremco Construction Products Group (CPG), marking a significant expansion of RPM’s footprint in the European construction market.
Volteco has long been recognized for its advanced solutions in the below-grade waterproofing sector. The company brings a robust, differentiated technology platform to Tremco CPG, most notably its proprietary Amphibia™ waterproofing sheet membrane. Beyond this flagship innovation, Volteco provides a comprehensive portfolio that includes flexible liquids, resins, mortars, damp-proofing materials, and a specialized line of bagged powder goods designed for patch and repair applications.
The acquisition is viewed as a major boost to Tremco CPG’s technical capabilities, allowing the group to leverage Volteco’s established reputation for durability and performance. Volteco’s systems have been instrumental in safeguarding some of Italy’s most demanding architectural and infrastructure projects. Their high-profile portfolio includes the critical preservation of historical landmarks across Venice, as well as modern engineering marvels like the Y-40 thermal pool—recognized as the deepest in the world—and the underground tunnel infrastructure connecting the L’Aquila bus terminal.
Furthermore, as Italy prepares to host the international stage, Volteco’s expertise has been tapped for the construction of the Santa Giulia Ice Hockey Arena in Milan, which is slated to serve as a key venue for the Milan Cortina 2026 Winter Olympic Games. By absorbing these capabilities, RPM International aims to bolster its position as a global leader in high-performance construction materials.
Financial details of the transaction were not disclosed; however, the company confirmed that Volteco generated net sales of approximately €28 million during the 2025 calendar year. This acquisition aligns with RPM’s broader strategy of acquiring specialized, high-growth businesses that provide unique technical value to its existing construction-focused segments.
“This strategic acquisition brings a unique and differentiated technology platform to Tremco CPG,” RPM stated in a release following the closing of the deal.
For RPM International, the integration of Volteco represents more than just a geographic expansion into Italy; it provides a direct entry point into new, specialized waterproofing sectors that complement Tremco CPG’s current offerings. As the global construction industry increasingly prioritizes long-term resilience and specialized protective coatings, the addition of Volteco’s proven track record is expected to enhance Tremco’s competitive edge in both the European and international markets. The transition is effective immediately, with Volteco’s operations now falling under the organizational umbrella of Tremco CPG.
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