the fire rated door

- Jul 14, 2019-

In addition to the function of ordinary doors, fire doors have the function of preventing the spread of fire and the spread of smoke, which can prevent the spread of fire for a certain period of time and ensure the evacuation of personnel. It is a fireproof partition with certain fire resistance, such as in fire compartments, evacuation stairwells, vertical shafts.Fire door classification:1, according to the use of materials can be divided into: steel fire doors, wooden fire doors, steel wood fire doors, other material fire doors2, according to the fire label can be divided into: FM, WH, UL, CCC3, according to the door leaf structure can be divided into: single fan, double fan, with window, etc.Steel fire door composition and structure: steel fire door is made of steel material for door frame, door leaf frame and door leaf panel. If the door leaf is filled with materials, it will be filled with fireproof materials that are non-toxic and harmless to the human body, and equipped with fireproof hardware accessories. A door having a certain fire resistance.Wood fire door composition and structure: wooden fire door is made of wooden material to make door frame, door leaf frame and door leaf panel. If the door leaf is filled with materials, it will be filled with fireproof materials that are non-toxic and harmless to the human body, and are equipped with fireproof hardware components. A door with certain fire resistance.