How fire doors are made

Fire doors are typically made with a solid core of materials that have been tested and certified to resist fire for a certain period of time. The most common materials used for the core include mineral wool,honey comb paper.

Fire Doors are made with shutter thickness .8mm to 1.6 mm and outerframe thickness will be 1.2 mm to 1.6mm.It has to type of outer frame with a size of 52*110mm and 52*145mm.Shutter thickness from 45mm to 65mm.

The door faces are then typically made of metal, such as steel, or wood. The door and frame assembly is designed to fit tightly within the surrounding wall, and often includes intumescent strips or other materials that expand when exposed to heat, helping to seal the gaps around the door and prevent the spread of fire and smoke.

Fire doors may also include additional features, such as automatic closing devices, panic hardware, or glazing that has been tested to resist fire. They are typically labeled with information about their fire rating, such as the number of minutes they can withstand fire, and should be installed and maintained in accordance with local building codes and regulations.