RPM International Acquires Ready Seal Inc.

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.

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

April 1, 2026

Building Products

RPM International Inc. has completed its previously announced acquisition of Kalzip GmbH, a Germany-based provider of aluminum roofing and façade systems, for its Tremco Construction Products Group (Tremco CPG). The deal strengthens RPM’s global building envelope portfolio and expands its market presence in Europe and beyond; financial terms were not disclosed.

RPM International Completes Acquisition of Star Brands Group (The Pink Stuff)

May 1, 2025

Consumer Products

RPM International Inc. completed its previously announced acquisition of Star Brands Group, the UK-based parent of household cleaning brand The Pink Stuff, for its Rust-Oleum subsidiary. The Pink Stuff is now part of Rust-Oleum’s cleaners business within RPM’s Consumer Group.

FleetPride Acquires RPM Truck Repair

June 6, 2023

Trucking & Fleet

FleetPride, Inc. has acquired the assets of RPM Truck Repair, a provider of truck maintenance and repair with locations in Effingham and Mount Vernon, Illinois. The deal expands FleetPride’s service footprint and capabilities in central and southern Illinois, integrating RPM’s technicians and locations into FleetPride’s national parts and service network.

Lynwood Capital Partners Acquires Rocket Seals, Inc.

December 20, 2016

Industrial Services

Lynwood Capital Partners has acquired Rocket Seals, Inc., a Denver-based distributor of seals and O-rings, in partnership with Rocket's existing management team. The private equity firm plans to support the company's growth—both organically (expanding inventory and sales technicians) and through acquisitions of other industrial parts distributors.

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.