Can the external door of the yellow calendar fire door be replaced with an anti-theft fire door?

It is not illegal, but it is not recommended to replace it. There are great differences in materials and structures between fire doors and security doors, and general security doors can't prevent fire. The main material inside the fire door is perlite, which is often called fire board; The main material of security door is honeycomb paper or aluminum foil paper, which is widely used at present, and the relative cost of aluminum foil paper is much higher. In view of the use of fire doors, professionals said that although the anti-theft door has good anti-theft ability at ordinary times, it may become a safety hazard in case of fire, and it is recommended that the owners should not replace it easily. If it really needs to be replaced, it is recommended to replace the fire-proof security door.