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September 19, 2011

Building on a strong partnership with Johns Manville's Roofing Division, DSI extends its partnership with Johns Manville to add the Insulations Division Preferred Partners to the Johns Manville Co-Op Buying Program.

Johns Manville, a Berkshire Hathaway company, is a leading manufacturer and marketer of premium-quality building insulation, commercial roofing, roof insulation, and specialty products for commercial, industrial and residential applications.