www . AmericanSecurityToday . com September 2022 - Edition 63
Smoke kills more often than fire , so controlling smoke spread is a crucial component of any fire protection plan . SmokeShield Fabric Smoke and Fire from CornellCookson ( pro- tecting multiple floors in atrium design ) is engineered with patented GuideLock™ tech- nology - that forms a positive seal for the curtain within the guide channels , preventing smoke and fire from migrating throughout a building , which also reduces the need for expensive smoke extraction systems .
writers rs Laboratories , Interteck , Warnock Hersey , and Factory Mutual
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Properly installed and well-main- tained fire-rated doors prevent the spread of fire and smoke from 45 minutes to four hours , depending on the door ’ s rating .
And mitigating smoke has be- come an increasing focus to bet- ter ensure occupant life safety .
According to the
National Fire Pro- tection Association ( NFPA ), most deaths associated with fires are actually caused by smoke inha- lation , because people are in- capacitated quickly and aren ’ t able to reach an accessible exit .
A common goal of Fire Protection Engineers is to create a 20-min- ute window to enable people to exit or find an area of refuge ,
such as an exit stairwell , before
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