Curtain Wall 4 : An exterior nonloadbearing prefabricated wall, usually more than one story high supported by the structural frame, which protects the building interior from weather, noise, or fire. See also: Panel Wall
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}