The doors with the fire-resistant rating and some times referred to as the fire protection rating for the closures and they are used for the passive fire protection and the system which can reduce the spread of the fire or the smoke in between the separate compartments of the structures and this will also enable the safe egress of the building an or the structure. The fire rated door are also commonly referred to as the closures and they can be derated and compared against the fire separation which can contain and provide the barrier in the firewall or the occupancy separation.
Features of fire door:
The greater advantage of these types of the door is that it can be automatically closed with a device or an object. It is also gas sealed, has smoke resistance, and also has a latching system with positive mechanisms. Hinges with the ball-bearing are also the highest light of these doors.
Usually, the seal of these doors has edges that are fire-related seals that can be composed of the strip that are intumescent and can be expanded when exposed to heat.it also has gaskets that stop the passage of smoke. if the door has a design with intumescent seals it can perform the role of a door assembly. Various factors influence the seals such as expansion rate, characteristics related to the charring, and volume of an expansion.
Fire doors have well-equipped integrated windows which are also rated. Windows can also be incorporated into the door test and can be subjected to certification of the door product. the main thing is that the window is fire-resistive remains under conditions of fire and has an impact on a hose stream.
The wire usually has a mesh glass, filled with sodium silicate liquid between the windows.
Most of the fire doors are manufactured to keep them close at maximum time. whereas some of the doors are designed to keep it open under normal situations and can also be automatically shut during fire accidents. however, the movement of the door never hinders its functioning. Always make sure to check the door frequently to assure its smooth functioning.
The electromagnet can be used to open some of these types of doors, which has the system of the fire alarm. these doors are subject to a standard time-temperature curve that can be fixed based on the time limit.
Summing up :
If you want to be secured by fire accidents it is safer to have a fire-rated door that has a great role to safeguard one’s life.