Summit materials company continental cement innovates lowest carbon portland limestone cement (il20) to date for mndot and national road research alliance project

Denver--(business wire)--summit materials, inc. (nyse: sum) ("summit," "summit materials," "summit inc." or the "company"), a leading vertically integrated construction materials company, announces continental cement company, llc ("continental cement"), a subsidiary of summit, produced a 20% portland limestone cement (“plc”), the lowest carbon portland limestone cement to date as part of an innovative research project for the minnesota department of transportation (mndot) and the national road
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