Case Study · LPC & Landmark

11 Montgomery Place, Park Slope: Nine Aluminum Windows Replaced with Marvin Wood Windows

Sometimes the smallest details make the biggest difference.

Front facade of 11 Montgomery Place in Park Slope, a brick and brownstone row house with a stepped gable, arched upper floor windows and black framed windows

At 11 Montgomery Place in Brooklyn’s Park Slope Historic District, the 1940s tax photographs provided a reference for returning the upper-floor windows to an appearance more consistent with the building’s historic character.

Kenemax replaced nine non-historic aluminum windows across the third- and fourth-floor front façade with Marvin wood windows. The work reintroduced distinctive arched configurations and divided-lite patterns that connect the windows to the architecture around them.

On a façade like this, matching the opening is only the beginning. The curve of an arched head, the proportions of each sash, and the placement of the muntins all influence how the finished window reads within the masonry. Those details may be small individually, but together they shape the appearance of the entire elevation.

Following the architectural filing and initial product coordination, Kenemax managed the window contract, shop-drawing coordination, and installation, translating the approved design into the completed work. Existing wood brickmolds were retained, with black exterior finishes complementing the surrounding brick and stone.

The completed installation received a Notice of Compliance from the New York City Landmarks Preservation Commission.

The archival photograph, project shop drawings, and finished views show that progression, from the historic reference to the details carried through into installation.

From the Reference to the Finished Window

Archival black and white photograph of the building from the street, with a stepped gable, arched windows and a stone stoop
The archival photograph.
Shop drawing excerpt showing six window elevations, three for the fourth floor and three for the third floor, with three arched heads and divided lites
Project shop drawings.
Close view of an arched top double hung window with a black frame and divided lites in the upper sash, set in a brick arch
The finished window.

Photos

Finished third and fourth floor windows on the front facade, with black frames, arched heads and divided lites, framed by tree branches
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Front facade of the building in autumn light, a brick and brownstone row house with a stepped gable and black framed windows
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Close view of a tall arched window with a black frame set in a brick arch, with a smaller arched window beside it
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Interior wall with a tall arched window between two smaller divided lite windows, all with white frames, above a herringbone wood floor
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Interior wall with three tall white framed windows with arched heads and divided lites: a large double hung window, a narrower pair of casement sashes and a small double hung window, with a radiator under each double hung window, above a herringbone floor
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Interior wall with three tall white framed windows with arched heads and divided lites: a double hung window with a radiator beneath it on each side of a narrower pair of casement sashes that has no radiator, above a herringbone floor
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