www . AmericanSecurityToday . com September 2022 - Edition 63
In the case of fire , trapping and blocking flames and smoke with the correct rolling door or curtain is essential to saving lives , and providing occupants with enough time to safely escape .
ing planners must take steps to keep occupants free from harm and allow them enough time to escape to a safe space .
Trapping and blocking flames and smoke with the correct roll- ing door or curtain is essential to saving lives .
To achieve a fire protection rat- ing , a rolling steel door must withstand one to four hours of heat of up to 2,000 degrees Fahrenheit , followed by a hose stream impact test while stay- ing in place without any visible damage or breaks that could al- low the passage of fire .
Doors that pass these stringent tests meet the UL 10B standard to acquire a fire protection list- ing from agencies such as Under-
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