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LPC approves high‑performance simulated double‑hung windows for top floor at 640 Park Avenue
Summary
The commission approved replacement of the 12th‑floor windows at 640 Park Avenue with aluminum‑clad wood, triple‑glazed simulated double‑hung units, citing limited street visibility and improved thermal and acoustic performance.
The Landmarks Preservation Commission on Feb. 25 approved replacement of the twelfth‑floor windows at 640 Park Avenue in the Upper East Side Historic District with simulated double‑hung, aluminum‑clad wood windows that are triple‑glazed for improved energy and sound performance.
Architect Matthew Veeder presented the proposal to replace nonoriginal windows at the twelfth/top floor with triple‑glazed, simulated double‑hung units. The new windows feature…
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