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Johns Manville announces significant expansion in Defiance, Ohio

Jan 09, 2019 - Business Wire

Johns Manville (JM), a global building and specialty products manufacturer and a Berkshire Hathaway Company, announced today it will make a significant investment toward expanding capacity at its Defiance, Ohio, manufacturing facility. The expansion will allow Johns Manville to increase the production of its fiberglass pipe insulation products, Micro-LokĀ® HP and Micro-LokĀ® HP Ultra.

"We are investing in our mechanical insulation business to meet increasing customer demand for our market-...