- 26
- Mar
double leaf fire rated door,fire rated entrance doors,UL external fire door
Fire doors can be divided into steel quality fire doors, wooden fire doors, glass fire doors, steel and wood fire doors, etc. Fire doors can meet fire stability, integrity and thermal insulation for a certain period of time. It is a fire partition with certain fire resistance, such as fire compartments, evacuation stairwells, vertical shafts, etc.
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