St. Patrick's Cathedral, New York, USA

a 82sqm interior all-glass façade for st. patrick's cathedral

adySt. Patrick‘s Cathedral in New York City opened its doors in 1879. Located in Manhattan, opposite the Rockefeller Center, it is the biggest neo-Gothic cathedral in the USA. The chapel, known as the “Lady Chapel”, is situated in the apse of the cathedral. The idea was to spatially separate the chapel from the rest of the cathedral in order to let visitors enjoy the chapel without disturbances. This meant maximum acoustic separation and, at the same time, minimum visual encroachment.

  • seele was commissioned with the design, fabrication and installation of the 82sqm interior façade. To preserve the visual aspect of the existing structure, the design was planned as an all-glass façade, which is perfectly integrated into the building. The upper section consists of 10.74m x 2.39m glass panes of 3 x 12mm laminated glass, supported by a 7m long 8-ply glass beam. What makes the design unique is that the approx. 2.5t heavy glass panes are supported solely by this beam.The double leaf glass swing doors in the lower section of the façade are set slightly further forwards in order to preserve the chapel’s original mosaic floor. The glass swing doors are fitted with brass door handles and mountings matching the façade’s striking all around brass trims, which are specially designed to match the shape of the existing columns.Over several night shifts, the oversized panes of the Chapel’s glazing were installed with highest precision. With this project, seele proved once more its expertise with regard to complex structural all-glass designs.

    © Stephan Wurster

82sqm all-glass façade  10,74m x 2,39m glass panes 7m long, 8-ply glass beam

Client Roman Catholic Archdiocese of New York
General contractor Structure Tone, Inc.
Architect Murphy Burnham & Buttrick Architects
Engineer Robert Silman Associates
Date of completion 2017
Scope of seele supply
  • All-glass façade

    - approx. 82sqm
    - approx. 10,74m x 2,39m          
      glass panes    
    - all around brass trims     
    - approx. 7m long, 8-ply glass beam    
    - overhead glazing above doors

  • 2 single-leaf glass swing doors (approx. 0,9m x 3m)
  • 1 double-leaf glass swing door (approx. 1,8m x 3m)

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