 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 mi 