Engineering Door price Fire-proof door is that which can meet the requirements of insulating refractory stability, integrity and stays in a certain time. It is located in between fire partition, evacuation stair, vertical shaft with a range of fire resistance of fireproof dividers. Fire-proof doors, besides have the function of the ordinary doors, also can stop the spread of fire and smoke in a certain time, to ensure that all person have evacuated.Engineering Door price website:http://www.nesbuilding.com/engineering-door/
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