Fire door refers to a door that can meet the requirements of fire resistance stability, integrity and heat insulation in a room. It is located in the fire division, evacuation stairwell, vertical shaft and other fire partition with a certain fire resistance. In addition to the function of ordinary door, more has the role of preventing the spread of the fire and the spread of smoke, can prevent the spread of the fire in a room, to ensure the evacuation of personnel

防火钢门，防火门踢脚板，fire rated interior door,35mm fire doors,

防火钢门,防火门车库,带五金件的双钢防盗门，公寓用木制安全门图片，防盗门 820，fire rated interior door ,安全门照片，9 英尺门内部，35mm fire doors,贴有标签的面板门，

木质防火门空心，防火钢门，紧急出口门使用，防火门 ul，住宅防火门