Interface Performance Materials sold

LANCASTER, Pa. — The sale of gasket manufacturer Interface Performance Materials to Manchester, Conn.-based Lydall Inc. has been finalized, the companies announced last week. Under the $265 million deal, Interface’s 100 or so employees will retain their jobs. The two companies use similar production systems to make different products: Lydall specializes in filtration products. Interface started off as the industrial specialties division of Armstrong World Industries, which spun it off in 1999.