[[TitleIndustry]]

Fire door installation requirements

Date:Oct 27, 2020

1. Except for special circumstances, fire doors should be opened in the evacuation direction, and fire doors should be opened manually from any side after being closed.


2. Normally closed fire doors should be equipped with door closers, and double and multiple fire doors should be equipped with sequencers.


3. For normally open fire doors, the control, signal feedback device and on-site manual control device that can automatically close the door leaf in case of fire shall be installed, and shall meet the requirements of the product manual.


4. The installation of the electric control device of the fire door should meet the requirements of the design and product specification.


5. The fire bolt should be installed on the door leaf on the opposite side of the double door or multiple doors.


6. The fireproof seals embedded in the gap between the door frame and the door leaf, and the door leaf and the door leaf shall be firm and intact.


7. The fire door set near the deformation joint should be installed on the side with more floors, and the door leaf should not cross the deformation joint after opening.


8. Cement mortar should be filled in the frame of steel fire door. The door frame and the wall should be firmly connected with embedded steel parts or expansion bolts, and the distance between the fixed points should not be greater than 600mm.


9. The overlap size of the fire door leaf and the door frame shall not be less than 12mm.


10. The clearance between the door leaf and the door frame of the fire door shall meet the following requirements:


1) The 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.

2) The clearance between the door leaf and the locked side of the door frame should not be greater than the dimensional tolerance specified in the design drawings.

3) The clearance between the door leaf and the upper frame should not be greater than 3mm.

4) The gap between the door leaves of double and multiple doors should not be greater than 3mm.

5) The movable gap between the door leaf and the lower frame or the ground should not be greater than 9mm.

6) The gap between the door leaf and the door frame, the hinge side, the lock side and the upper frame gap between the door leaf and the door frame, should not be greater than 3mm.


11. After the installation of the fire door is completed, the door leaf should be opened and closed flexibly, and there should be no rebound, warped angle, jamming and loose closing.


12. Except for special circumstances, the opening force of the fire door leaf should not be greater than 80N.


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