Fire Door Technical Requirements

Wooden fire doors are made of fire-resistant wood or fire-resistant wood products as door frames, door leaf skeletons, door leaf panels. The door with certain fire resistance.

The overlapping size of the door leaf and the door frame should not be less than 12mm; the matching movement clearance between the door leaf and the door frame on the hinge side should not be greater than the dimensional tolerance specified in the design drawings; the matching movement clearance between the door leaf and the door frame on the side with the lock should not be greater than the design drawing. The specified dimensional tolerance; the clearance between the door leaf and the upper frame should not be greater than 3mm; the gap between the door leaves of double-leaf and multi-leaf doors should not be greater than 3mm; the clearance between the door leaf and the lower frame or the ground should not be greater than 9mm; The gap between the door frame and the door frame: the hinge side, the lock side and the upper frame of the door leaf and the door frame should not be greater than 3mm; the plane height difference between the door leaf and the door frame: on the open surface of the fire door, Tianjin telescopic The plane height difference between the bar code reader door frame and the door leaf should not be greater than 1mm.

Wooden fire door refers to the door frame, door leaf frame, door leaf panel made of wood or wood products, and the fire resistance limit reaches the national regulations. Some small deviations between wooden fire doors cannot be wrong. Maybe it is a small detail that may not meet the national standards.