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Sep 16,2022
Airtightness requirements for fire doors
Steel fire door refers to the door frame, door leaf frame and door leaf panel made of steel material. If the door leaf is filled with material, it is filled with non-toxic and harmless fire-proof and heat-insulating material, and it is composed of fire-proof hardware accessories.
Sep 01,2022
Airtightness requirements for fire doors
The national standard has clear requirements on the size of the gaps at the lap joints of fire doors: for steel fire doors, it is required that the overlap between the sash and the door frame should not be less than 10mm,
Aug 30,2022
Installation method of steel fire door
There are some differences in the installation method between steel fire doors and wooden fire doors. It is also slightly different from the fire rating.
Jul 21,2022
Introduction to steel fire doors
Steel fire door refers to the door frame, door leaf frame and door leaf panel made of steel material. If the door leaf is filled with material,
Jul 19,2022
Installation requirements for steel fire doors
During the installation process of steel fire doors, considering the bending deformation of the door frame, it should be supported by wooden slats in the width direction of the door frame.
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