Johns Manville (JM), a Berkshire Hathaway company and a leading manufacturer of premium-quality building, specialty and filtration products, announced the company has completed an expansion of its micro glass fiber nonwoven production for air filtration media in its plant in Wertheim, Germany. JM’s micro glass fiber nonwovens are used as top-performance media in HVAC filtration applications and also as aircraft insulation.

The company also recently announced an additional investment of 32 million Euros in a state-of-the-art PET spunbond line for filtration products at its production site in Berlin.

“The new capacity in Wertheim and the investment we are making in our Berlin facility are excellent examples of our commitment to the filtration industry,” said Enno Henze, senior vice president and general manager of JM’s Engineered Products Europe/Asia business. “These investments are part of a strategic plan to support the growing demand for high-end filtration nonwovens.”

About Johns Manville

Johns Manville, a Berkshire Hathaway company, is a leading manufacturer and marketer of premium-quality building and specialty products. In business since 1858, the Denver-based company has annual sales of approximately $2.5 billion and holds leadership positions in all of the key markets that it serves. Johns Manville employs approximately 7,000 people and operates 45 manufacturing facilities in North America, Europe and China.