Guastavino tile

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Guastavino tile vaulting in New York's City Hall subway station
Guastavino ceiling tiles on the south arcade of the Manhattan Municipal Building

Guastavino tile is the "Tile Arch System" patented in the United States in 1885 by Valencian (Spanish) architect and builder Rafael Guastavino (1842–1908).[1]

Description

Guastavino vaulting is a technique for constructing robust, self-supporting arches and architectural vaults using interlocking terracotta tiles and layers of mortar to form a thin skin, with the tiles following the curve of the roof as opposed to horizontally (corbelling), or perpendicular to the curve (as in Roman vaulting). This is known as timbrel vaulting, because of supposed likeness to the skin of a timbrel or tambourine. It is also called "Catalan vaulting" and "compression-only thin-tile vaulting".[2]

Guastavino tile is found in some of New York’s most prominent Beaux-Arts landmarks and in major buildings across the United States.

Construction

The Guastavino terracotta tiles are standardized, less than an inch (25 mm) thick, and approximately 6 inches (150 mm) by 12 inches (300 mm) across. They are usually set in three herringbone-pattern courses with a sandwich of thin layers of Portland cement. Unlike heavier stone construction, these tile domes could be built without centering. Each tile was cantilevered out over the open space, relying only on the quick drying cements developed by the company. Akoustolith was one of several trade names used by Guastavino.

Significance

Guastavino tile has both structural and aesthetic significance.

Structurally, the timbrel vault was based on traditional vernacular vaulting techniques already very familiar to Mediterranean architects, but not well known in America. Terracotta free-span timbrel vaults were far more economical and structurally resilient than the ancient Roman vaulting alternatives.

Guastavino wrote extensively about his system of "Cohesive Construction". As the name suggests, he believed that these timbrel vaults represented an innovation in structural engineering. The tile system provided solutions that were impossible with traditional masonry arches and vaults. Subsequent research has shown the timbrel vault is simply a thinner masonry vault than with traditional arches that produces horizontal thrust also, simply to a lesser degree due to its lighter weight.[3]

Exhibitions

In 2012, a group of students under supervision of MIT professor John Ochsendorf built a full-scale reproduction of a small Guastavino vault. The resulting structure was exhibited, as well as a time lapse video documenting the construction process.[4]

Ochsendorf also curated an exhibition Palaces for the People, featuring the history and legacy of Guastavino, which premiered in September 2012 at the Boston Public Library, Rafael Guastavino's first major architectural work in America. The exhibition then traveled to the National Building Museum in Washington DC, and an expanded version appeared at the Museum of the City of New York. Ochsendorf, a winner of the Macarthur Foundation "genius grant", also wrote the book-length color-illustrated monograph Guastavino vaulting : the art of structural tile,[5] and an online exhibition coordinated with the traveling exhibits.[6]

In addition, Ochsendorf directs the Guastavino Project at MIT, which researches and maintains the Guastavino.net online archive of related materials.[7]

Archival sources

The Guastavino company was headquartered in Woburn, Massachusetts, in a building of their own design which still stands. The records and drawings of the Guastavino Fireproof Construction Company are now preserved by the Department of Drawings & Archives in the Avery Architectural and Fine Arts Library at Columbia University in New York City.

See also

Notes

  1. ↑ The standard reference is Ochsendorf, John; Freeman, Michael (Photographer), Guastavino Vaulting: The Art of Structural Tile, Princeton Architectural Press; 1st edition (September 22, 2010). ISBN 978-1568987415
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Salvador Tarrago, Guastavino Co. (1885–1962): Catalogue of Works in Catalonia and America (ISBN 84-88258-65-8)
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.

Further reading

  • Lua error in package.lua at line 80: module 'strict' not found.

External links

  • Guastavino.net: documenting Guastavino's work in the Boston area. This page provides copies of writings and patents by the Guastavinos as well.
  • Rafaelguastavino.com: documenting Guastavino's work in New York City
  • "CONSTRUCTION OF A VAULT", Massachusetts Institute of Technology (shows method of construction)
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