The fire-rated door is used together with the frame, and it refers to a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. The fire door is a protective measure to separate the building from fire. They are usually used in firewall

Fire rated doors meet the requirements of fire resistance stability, integrity and insulation for a certain period of time. With the increasing number of modern high-rise buildings, fire doors play an important role in protecting people's lives to a large extent.Fire doors have three main functions: