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Press Release
Nov. 03, 2016

Johns Manville Receives UL Certification for DuraCore® 300

Johns Manville (JM), a Berkshire Hathaway Company and a market-leading manufacturer of glass fiber products, received UL certification for DuraCore® 300 chopped strands used ...
Press Release
Mar. 07, 2016

Johns Manville to Introduce New Products at JEC World 2016

Johns Manville (JM), a market-leading manufacturer of Continuous Filament Glass Fiber and a Berkshire Hathaway company, announced today the introduction of three new rovings:...
Press Release
Mar. 03, 2016

Johns Manville Receives ISO 14001 Certification in Slovakia (EU)

Johns Manville (JM), a market-leading manufacturer of glass fiber products and Berkshire Hathaway company, announced today its plant in Slovakia received ISO 14001 certificat...
Press Release
Feb. 29, 2016

Johns Manville Invests to Support Growth in Engineering Thermoplastics

Johns Manville (JM), a market-leading manufacturer of glass fiber products and Berkshire Hathaway company, announced today the expansion of its glass fiber operations plant i...
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