MIAMI COUNTY In what has been described as the largest restoration of a cast iron facade in the U.S., the historic Miami County Courthouse in Troy, Ohio, required the judicious reconditioning of more than 15,000 ornamental and structural components using a long-lasting coating system from Tnemec. “Due to the building’s historical significance, everyone wanted a protective finish that wasn’t going to alter its aesthetics,” recalled Dan Haines of

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