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Douglass Colony Group, Inc. Approved as Sika Sarnafil Elite Roofing Contractor

Associated Builders and Contractors Recognize Outstanding Safety Performances Commerce City, CO – January 2012 – Sika Sarnafil has approved Douglass Colony Group, Inc. as an Elite level roofing contractor for installation of Sika Sarnafil roofing systems. The company is one of just 146 … Read More…

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