American Securities LLC announced that, in partnership with the company management, it has completed the acquisition of Niagara Falls, N.Y.-based Unifrax I LLC, a global manufacturer of ceramic-fiber insulation products used in many high-temperature industrial applications. American Securities previously invested in Unifrax in 2003 and successfully exited its partnership with management in 2006. According to American Securities, Unifrax is a market leader in a stable demand industry with outstanding growth prospects and a strong management team.            

Unifrax employs more than 2,000 people worldwide and has 25 manufacturing facilities across 11 countries servicing customers in more than 80 countries. In July, Unifrax acquired U.K.-based Saffil, a company that manufactures and sells innovative, high-temperature polycrystalline wool materials to a global customer base through its two main business units: Saffil Automotive and Saffil Fiber. Terms of the transaction were not disclosed. Equity was provided from funds managed by American Securities and from management.