Glass mullion system
Encyclopedia
Glass mullion system is a glazing system in which sheets of tempered glass are suspended from special clamp
Clamp
Clamp may refer to:*Clamp , a device used to hold an object in a fixed position*Wheel clamp, a device used with road vehicles to prevent theft or enforce parking restrictions*Riser clamp, a device used to support vertical piping...

s, stabilized by perendicula stiffeners of tempered glass, and joined by a structural silicone
Silicone
Silicones are inert, synthetic compounds with a variety of forms and uses. Typically heat-resistant and rubber-like, they are used in sealants, adhesives, lubricants, medical applications , cookware, and insulation....

 sealant or by metal
Metal
A metal , is an element, compound, or alloy that is a good conductor of both electricity and heat. Metals are usually malleable and shiny, that is they reflect most of incident light...

 patch plates.

Notable buildings

Buildings employing this system include the Rose Center for Earth and Space
Rose Center for Earth and Space
The Rose Center for Earth and Space is a part of the American Museum of Natural History in New York City. The Center's complete name is The Frederick Phineas and Sandra Priest Rose Center for Earth and Space. The main entrance is located on the northern side of the museum on 81st Street near...

, Harvard Medical School
Harvard Medical School
Harvard Medical School is the graduate medical school of Harvard University. It is located in the Longwood Medical Area of the Mission Hill neighborhood of Boston, Massachusetts....

 inBoston, MA, NASDAQ
NASDAQ
The NASDAQ Stock Market, also known as the NASDAQ, is an American stock exchange. "NASDAQ" originally stood for "National Association of Securities Dealers Automated Quotations". It is the second-largest stock exchange by market capitalization in the world, after the New York Stock Exchange. As of...

 Marketsite in New York and the Brooklyn Museum of Art.

Of particular interest is I.M.Pei's National Airlines Sundrome at JFK Airport (Terminal 6) for its use of glass mullion
Mullion
A mullion is a vertical structural element which divides adjacent window units. The primary purpose of the mullion is as a structural support to an arch or lintel above the window opening. Its secondary purpose may be as a rigid support to the glazing of the window...

s, unprecedented at the time. The airline terminal is now closed and slated for demolition.

External links

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