The DeKalb County Sheriff's Department says the accident happened about 9 a.m. Tuesday in Butler.
Detective Adam Friedel tells The Journal Gazette of Fort Wayne that David W. Gingery of Garrett was cleaning a roof atSteel Dynamics in Butler when the structure collapsed.
Friedel says a safety cable snapped under Gingery's weight and he fell to his death. He worked for the Power Clean company.
Company spokesman Fred Warner says Steel Dynamics is investigating the death.
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Information from: The Journal Gazette,http://www.journalgazette.net
AP-WF-05-17-11 2138GMT