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Miami County seeks to replace roughly 100 courthouse windows; Planning Commission approves aluminum frames to match historic profile
Summary
Miami County presented a window-replacement plan for the Miami County Courthouse that would replace most original wood windows with custom-profile aluminum frames; the Planning Commission approved the COA after discussion of durability, cost and historical standards.
Miami County officials told the Troy Planning Commission on Jan. 22 that the Miami County Courthouse at 215 West Main Street needs a near-complete window replacement because of rot, poor energy efficiency and nonfunctional sashes.
Michael Clary, Chief Administrative Officer with the Miami County Commissioner's Office, said the county proposes aluminum-framed windows custom-profiled to replicate the appearance and sash depth of the originals. "Our proposed project seeks to preserve the aesthetic and historical integrity of the building, but also ensure energy efficiency and responsible management of our maintenance costs," Clary said.
Why it matters: Commissioners and county officials said most of the courthouse windows are failing and that replacing them will improve energy performance and reduce future maintenance. The county provided an approximate cost comparison during the presentation: about $1,600,000 for aluminum replacements versus about $3,000,000 for a full wood-to-wood replacement.
Details of the proposal and debate: - Scale: The applicant said approximately 100 windows are affected; the project is part of a broader $4,500,000 courthouse renovation and was described as "Phase 2." Clary told commissioners that "all but 10 are not functioning," meaning most windows currently do not open. - Materials and appearance: The county proposes aluminum frames with custom profiles and energy-efficient glazing to match existing single-hung sash configurations and mullion patterns. Mandy Niekamp, the project representative from Garmin Miller, displayed a sample profile used on a previous county project and said the team will match profiles and paint/coating to the building’s exterior fixtures. - Security and code considerations: Clary said first-floor windows that serve as a voting location must retain laminate/security treatment; the new frames will use low-iron laminate glass where required and tempered glass elsewhere. He noted building-code limitations on how wide upper-floor windows can open and that limiters would likely be used. - Historic-preservation standards: Commissioners asked whether aluminum is consistent with Secretary of the Interior standards. Staff said the Secretary’s guidance prefers replacement in the same material but that preservation practice increasingly accepts alternative materials that replicate historic appearance when durability and cost are factors. "The problem with that… is that they are starting to go more towards allowing alternative materials that replicate the exact look because the techniques used in fabricating the metal now can make it look almost identical and be a better, more durable product," staff said.
The Planning Commission approved the COA by roll call. Transcript records show the roll call as affirmative ("Mr. Edmondick? Yes. Mr. McGarry? Yes. Mr. Wilke? Yes. Mr. Titterington? Yes. Mayor? Yes, approved.").
What comes next: County staff stated the project would proceed to bid; the applicant said a custom profile has not been produced yet and must go out to bid. Officials said the county will attempt to match color and profile precisely and to minimize visible construction impacts by replacing windows one for one.
