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Concord HDC pushes back on vinyl window plan at 419–421 Main Street, asks for sound alternatives
Summary
The Historic Districts Commission declined to approve Harvey-brand vinyl windows proposed to reduce train noise and continued the item to Oct. 30, asking for manufacturer specs, sound-test data, and alternatives such as interior storm windows or matching wood replacements.
The commission on Oct. 9 continued consideration of a proposal to replace several bedroom windows at 419–421 Main Street with Harvey-branded vinyl, 1-over-1 insulating windows intended for sound attenuation.
A contractor for the owner said the ordered windows were "specially designed for soundproofing" and described a triple-layer glazing, arguing the change would improve the tenant’s sleep. A condo owner and neighbor, Mary Anne Spencer, urged the commission to preserve the building’s historic appearance and warned against approving vinyl on a 2-over-2 wood-sash house. Commissioner Walter Clay and others noted that commercial soundproofing windows are not always effective and suggested less-invasive alternatives: interior storm systems (Indow was named), custom wood sash with insulating glass, or measured acoustic testing to quantify the train noise problem.
The HDC made clear it will not approve a vinyl Harvey window in this 2-over-2 house without strong visual-matching justification. The commission asked the applicant to submit manufacturer specifications, measured dimensions, documentation of acoustical performance or sound-level measurements, and either a matching wood alternative or an interior-insert option. The commission continued the application to Oct. 30 to review those materials.
