This is not necessarily, some are OK, and some are not. Fire doors that use fire-proof glass according to the specifications can only be less than type-B fire door, and Class A fire-proof doors cannot be replaced, in addition, pay attention to the opening direction and closing sequence of the door.
Glass fire doors and steel fire doors have fire resistance doors at the same time. It is OK to replace the channel steel fire doors with glass fire doors. Note: passageways are also divided into many kinds. For example, some passageways in hospitals and restaurants can be replaced with glass fire doors, but those places such as basement passageways cannot be replaced with glass fire doors. After all, fire doors are still used according to regulations.
In fact, there are many kinds of fire doors, such as wooden fireproof door, glass fire doors, steel fire doors, etc. according to materials; According to the use function, there are entrance guard fire doors, entrance fire doors, indoor fire doors, explosion-proof fire doors, multifunctional fire doors, etc;
Steel fire door
The door frame, door leaf frame and door leaf panel are all made of steel materials. The door leaf is filled with perlite materials, which is non-toxic and harmless to human body. Fire prevention heat barrier material, the door with certain fire resistance made up of fire-proof hardware accessories.
Glass fire door
The glass fire door is made of 304 stainless steel as the side cover, and the fire glass with fire proof is used as the whole door leaf. Under the same thickness, the strength of the fire glass is 6-12 times that of float glass, it is 2-3 times more than tempered glass, which can reduce the weight of glass compared with tempered glass. The whole fire-proof glass does not crack. Under the high temperature of 1000℃, it can last for 90-120 minutes without cracking.
