 MEDINA, Ohio--BUSINESS WIRE--RPM International Inc. NYSE: RPM today announced that its Carboline subsidiary has acquired the Dudick Inc. business. A provider of high-performance coatings, flooring systems and tank linings, Dudick is headquartered in Streetsboro, Ohio, and has annual net sales of approximately 10 million. Terms of the transaction were not disclosed. Founded in 1970, Dudick is a manufacturer of high-performance linings and secondary containment coatings, providing solutions 