40 Bond Street

Viewed from certain angles, the curved glass reflects the stainless steel underneath, making them nearly as reflective as chrome. From other points of view, the glass reads simply as glass, which, because of its unconventional application, is enough to stop passersby in their tracks. “We wanted the building to look like it was shrink-wrapped in glass,” according to Ashesh Saheba of Handel Architects in an interview in Metals in Construction.

The elevation of the rear facade the facade of the front. However, instead of the stainless steel and glass, the north facade uses blackened copper. The custom copper rear facade matches the bell-shaped mullion shapes of the glass front.

Over the decades, copper will slowly evolve, developing a green patina, a protective oxidization layer which hardens on the surface. In this sense, the building will eventually come to match the tonality of the front facade, unifying aesthetics over the years.