Draft Curtain 2 : A noncombustible barrier suspended from the ceiling of open stairways and elevator shafts to retard or block heat. See also: Draft Stop; Also called: Curtain Board, Fire Curtain
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}