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H.W. Johns company in New York City first starts manufacturing fireproof roofing.
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C.B. Manville in Milwaukee, Wisconsin begins the Manville Covering Co.
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H.W. Johns and Manville Covering Co. join forces to form Johns-Manville.
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The production in the Johns-Manville Waukegan site begins.
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After over 12,000 lawsuits Johns-Manville finally declares bankrupcy.
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EPA declares site a federal Superfund cleanup site.
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Johns-Manville is demolished by the Omega Demolition company.