Unifrax has completed its acquisition of specialty filtration materials manufacturer Lydall Inc.

The combined company will be led by John Dandolph as president and CEO.

“The Unifrax-Lydall combination creates a one-of-a-kind specialty materials platform capable of driving transformative impact in the spaces we all care about, areas including fossil fuel reduction, improved energy storage, and cleaner air,” said Dandolph. “We’re just getting started, and we’re excited about the opportunities ahead.”

Unifrax, which is backed by investment firm Clearlake Capital Group LP,  is a global supplier of specialty materials used in thermal management, specialty filtration, battery materials, emission control and fire protection applications.

“We’re proud to support a company that is dedicated to developing solutions for a cleaner, more sustainable society,” said José E Feliciano, co-founder and managing partner at Clearlake, and Colin Leonard, partner at Clearlake.