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St Benedict Chapel, Sumvtg, Switzerland

Atelier Peter Zumthor, 1989.
Image from http://www.bustler.net/index.php/article/peter_zumthor_honored_with_japans_praemium_imperiale_prize/

Kunsthaus, Bregenz, Austria

Atelier Peter Zumthor, 1997.

Image from http://www.edenceramics.co.uk/zumthor03.html

Museum of Roman Art, Rafael Moneo

In Merida, Spain, by Rafael Moneo, 1985.

Mont-Cenis Academy, Herne, Germany

By Jourda & Perraudin, 1991.
Images from http://www.iea-pvps.org/cases/deu_01.htm

TGV Station, Lille

Tension roof system in TGV Station, Lille, France (SNCF/Jean-Marie Duthilleul, 1994).

PTFE from Lenzing Plastics


Polytetrafluoroethylene (PTFE) and ethylene tetrafluoroethylene (ETFE)

"Textiles have a number of advantages over conventional roofing materials—such as prefabricated hard panels of metal or plastic. The advantages include flexibility, light weight, low cost and high coverage. These properties enable architects to incorporate wider and longer panels into their designs. Today, the use of textiles in architecture is commonplace throughout the world in a number of structures, including public buildings, auditoria, open-air theatres, railway stations, airports, shopping centres, parks and landscaped spaces, entrances and walkway areas. Architectural textiles are usually made from woven polyester fabric coated with polyvinyl chloride (PVC), although other synthetics and coatings can be used. For special properties and enhanced durability, fibreglass fabric coated with polytetrafluoroethylene (PTFE) can be employed. In addition, pneumatically pre-tensioned ethylene tetrafluoroethylene (ETFE) film or sheeting offers a number of design possibilities at relatively low cost. Key fabric manufacturers supplying the architectural textile sector include Ferrari in France, Sattler in Austria and Verseidag-Indutex in Germany."

From http://www.marketresearch.com/product/display.asp?productid=1422175