A fire door is a door that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. It is a fire partition with certain fire resistance, which is located in the fire compartment, evacuation stairwell, vertical shaft, etc.

It is specially used to isolate the fire source in housing construction, which plays a huge role in fire protection work. In the event of a fire, people can obtain escape opportunities through fire doors.

In addition to the role of normal doors, fire doors also have the effect of preventing the spread of fire and smoke, which can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel.

What is special about a fire door?

The reason why a fire door is called a fire door is that it must have something special compared with normal doors. So what's so special about fire doors? What makes the fire door have the function of fire prevention?

Constituent materials

The biggest difference between the two is that the constituent materials of the fire door are different from normal doors, which determines whether the fire resistance limit of the fire door can reach the national standard.

Taking the wooden fire door as an example: The wooden fire door is a door with certain fire resistance composed of fire-resistant wood or fire-resistant wood products as the door frame, door leaf skeleton, door panel, and matched with fire-resistant hardware accessories. If the door leaf is filled with material, it is filled with a fireproof insulation material that is non-toxic and harmless to the human body

Specifications and dimensions

In order to meet national standards, fire doors have a set of strict specification size requirements. Normal doors do not care about these, private individual customized size can be. 

Fire doors in the manufacture must strictly comply with the requirements of the design drawings, different types of fire doors in the specifications and sizes of the requirements are not the same, here is not too much to repeat. The most important thing is not to allow a small deviation, otherwise it will not meet the national standards, and it may cause a major disaster in the future when a fire occurs.