One- Hour . will withstand fire reaching 1,700 ?F (927 ?C) for one hour , keeping the interior temperature below 350 f (177 C).
Two-Hour. Will withstand fire reaching 1,850 F ( 1,010 C) for at least two hours , with interior temperature not exceeding 350 F( 177 C), during and after exposure.
Four -Hour. Will withstand fire reaching 2,000 ?F( 1.093 ?C) for at least four hours , with interior temperature not exceeding 350? F (177?C) , during and after exposure.
Six-Hour. Will withstand fire reaching 2,150 ?F (1,177 ?C) for at least six hours , with interior temperature not exceeding 350? F ( 177? C) , during and after exposure.
UL fire- resistive labels.
UL- listed relocking device. Qualifies for class "B" Mercantile Burglary Insurance rating. |
A fire escape door is usually installed in the emergency exits of buildings to reduce the spread of fire and smoke between separate compartments. The metal emergency exit doors will remain closed or automatically close in an emergency upon the sounding of a fire alarm that ...
Come From Dongguan Xinyi Door Industry Co.,Ltd
A interior fire doors sale is usually installed in the emergency exits of buildings to reduce the spread of fire and smoke between separate compartments. The material of our fire proof doors for sale is steel panel and rock wool core. As a professional fire resistant door ...
Come From Dongguan Xinyi Door Industry Co.,Ltd
Our double emergency exit doors are usually installed in the emergency exits of buildings to reduce the spread of fire and smoke between separate compartments. The material is steel panel and rockwool core. At Xinyi, you can find both double door emergency exit and single leaf ...
Come From Dongguan Xinyi Door Industry Co.,Ltd