RPM International Completes Acquisition of Kalzip GmbH via Tremco Construction Products Group

RPM International Acquires Volteco

September 23, 2026

Building Products

RPM International Inc. signed a definitive agreement to acquire Volteco S.p.A., an Italy-based supplier of below-grade waterproofing solutions, for its Tremco Construction Products Group. Volteco reported 2025 sales of €28 million; the transaction is expected to close in the second quarter of fiscal 2027, subject to customary conditions.

Corporate Technologies Acquires RPM Technologies to Expand Life Sciences Expertise and National Reach

April 28, 2026

IT Services

Corporate Technologies, a national managed IT services and cybersecurity provider for small and mid-sized businesses, acquired RPM Technologies, LLC. The deal expands Corporate Technologies' footprint to 21 markets nationwide and strengthens its ability to support organizations in highly regulated, compliance-driven environments, particularly Life Sciences.

RPM International Acquires Ready Seal Inc.

June 17, 2025

Consumer Products

RPM International Inc. has acquired Ready Seal Inc., a Texas-based manufacturer of premium exterior wood stains, adding the brand to its Rust-Oleum business within RPM’s Consumer Group. The acquisition strengthens Rust-Oleum’s exterior wood care portfolio and will leverage RPM’s sales force and distribution channels to accelerate Ready Seal’s growth; Ready Seal generated approximately $45 million in 2024 sales. Terms were not disclosed.

RPM International Acquires TMP Convert SAS (TMPC)

October 31, 2024

Building Products

RPM International Inc. acquired TMP Convert SAS (TMPC), a France-based manufacturer of outdoor decking and landscaping products, to integrate into its Fibergrate Structures business within the Performance Coatings Group. TMPC, known for the JOUPLAST and OCAPE brands and based in Simandre-sur-Suran, France, has annual net sales of approximately €35 million; terms were not disclosed and Thierry Convert will remain president.

Tecta America Acquires Tuscano-Maher Roofing

March 27, 2023

Construction

Tecta America Corporation, the national leader in commercial roofing, has acquired Tuscano-Maher Roofing (TMR), a Saltsburg, Pennsylvania-based commercial roofing and sheetmetal contractor. TMR will operate as "Tuscano-Maher Roofing, a Tecta America Company, LLC," with existing leadership (Mike Maher, Marty Nalevanko, Joe Slapinski) remaining in their current roles to support continued service to local municipalities, property owners and managers.

RPM International Acquires Applied Polymerics (API/MAI)

July 7, 2016

Building Products

RPM International Inc. acquired Applied Polymerics, Inc. & Marketing Associates, Inc. (API/MAI) and will fold the business into its Universal Sealants (U.K.) Limited (USL) unit within the RPM Performance Coatings Group. The Mount Airy, North Carolina company supplies and installs bridge expansion joints, concrete repair compounds, protective coatings and pavement-preservation products (about $14M in annual sales); existing management will remain in place.