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High Line 23

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  • MacKenzie Door Company
  • Alf Naman and Garrett Heher
  • Interior Designer: Thomas Juul-Hansen LLC

Project Status


Year Completed


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Project Description

Ellison Bronze, Inc. offers its custom door systems to High Line 23 (HL23) in New York City. The stainless steel doors offer a sleek look that matches the building’s modern feel, while offering decades of longevity.

HL23 is the first freestanding design of Neil Denari, principal of Neil M. Denari Architects, Inc. (NMDA). The fourteen story residential tower rises from a unique site on West 23rd street in Manhattan’s West Chelsea area. The building is only 40 by 99 feet at its base, and partially hidden beneath the abandoned High Line elevated railway bed.

The site created the challenge of building around the elevated railway bed and finding a way to increase square footage. The result is a reverse-tapering structure that is narrow at the bottom and widens as it rises. The project team bent the curtain wall inward around the railway and pushed out the east façade to regain lost square footage.

The project team also wanted an entrance for HL23 that would live up to the modern feel of New York’s newest and most high-profile luxury condos, and that would last far into the future. To achieve this, they turned to Ellison Bronze, the company with the longest history of providing marquee entry systems to buildings both new and old.

HL23 features a total of five Ellison doors, including one pair at the main lobby entrance with a fine glass bead blasted finish. One pair at a retail entrance and a fifth single service door have a #4 satin finish. Each door is narrow stile, stainless steel, type 304--a perfect match for the contemporary aesthetic of the building.

Every side of HL23 was built to catch the eye and capture attention. NMDA designed the building’s east façade by taking a cue from the High Line railway that has been converted into a walking park with greenery.

This façade is covered in metal wall panels with an embossed ‘grassy’ texture to reflect the plant life of the park. The north and south facades have striking white beams artfully crossing behind a curtain wall of glass.

HL23 comprises 39,200 square feet with eleven homes, a gallery and recreation space in Chelsea. Once an area dedicated to industrial warehouses and car shops, Chelsea is now a popular section of New York City, with its western section considered the center of the New York art world. Located near many shops and art galleries, the steel and glass structure is one of the biggest changes to the area’s landscape since the 1960s.

"We're pleased with the look and performance Ellison doors have provided, as well as their notability," said Rick Michod. "In fact, many of my colleagues have recognized the Ellison doors and consequently the project."
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