Smokeproof Tower 2 : A continuous fire?resistive enclosure in a building that protects a stairway from fire or smoke. See: Smoke Tower, Tower; See also: Fire Tower
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}