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Logo NEWS RELEASE Owens Corning Reports Second - Quarter 2021 Results 7/28/2021 • Company Delivered Record Net Sales of $ 2.2 Billion ; Net Earnings of $ 298 Million and Record Adjusted EBIT of $ 408 Million Delivered adjusted EBIT margins of 18 % , with all three businesses continuing to post double - digit EBIT margins for a fourth consecutive quarter • Roofing produced $ 234 million of EBIT with 26 % EBIT margins • Insulation delivered $ 112 million of EBIT with 14 % EBIT margins • Composites reported $ 98 million of EBIT with 17 % EBIT margins Generated operating cash flow of $ 498 million and free cash flow of $ 405 million TOLEDO , Ohio -- ( BUSINESS WIRE ) -- Owens Corning ( NYSE : OC ) today reported consolidated net sales of $ 2.2 billion in second - quarter 2021 , compared with $ 1.6 billion in second - quarter 2020 , an increase of 38 % . Second - quarter 2021 net earnings attributable to Owens Corning were $ 298 million , or $ 2.82 per diluted share , compared with $ 96 million , or $ 0.88 per diluted share , in second - quarter 2020 . Second - quarter 2021 adjusted earnings were $ 274 million , or $ 2.60 per diluted share , compared with $ 99 million , or $ 0.91 per diluted share , during the same period one year ago . Second - quarter 2021 adjusted EBIT was $ 408 million , compared with $ 167 million in the same period in 2020. ( See Use of Non - GAAP Measures , See Tables 2 and 3. ) " Owens Corning delivered another outstanding quarter generating record results with all three businesses continuing to perform well in a dynamic market environment , " said Chair and Chief Executive Officer Brian Chambers . " These results were driven by strong , consistent commercial and operational execution and demonstrate the exceptional capability of our global team and earnings power of our company . " Return of Capital and Liquidity . 1