RPM International Inc. has announced that its tremco illbruck Group has acquired Firetherm Intumescent & Insulation Supplies Ltd., the United Kingdom market leader in fire-stopping solutions for the construction industry. Based in Kent, near London, England, Firetherm has annual net sales of approximately $10 million. Terms of the transaction, which is expected to be accretive to earnings within one year, were not disclosed.

Firetherm manufactures and supplies a broad range of fire-stopping products, intumescent coatings, and fire-rated sealants and fiber boards. They are primarily sold to specialist fire-stopping contractors, general contractors and home builders who view the company as a leading technical expert in the sector.

“Firetherm, with its high degree of fire-stopping technical expertise, is a good strategic fit with our tremco illbruck Group and its existing Nullifire intumescent coatings business. The acquisition expands tremco illbruck’s product range and capabilities for fire-stopping products and propels it to the leading position for passive fire protection in the UK,” stated Frank C. Sullivan, RPM chairman and chief executive officer. “We expect to grow Firetherm in the UK and internationally by leveraging its products across the tremco illbruck distribution network.”