How long is the general service life of fire doors? Many people are not very clear about this issue, so let's take a look at it together.
General fire doors can be used for about ten years, but there are also some special cases, such as some normally closed fire doors, because there are many people going back and forth, its damage will inevitably be great, and it will Shorten its use time. In addition, there is another kind of door that has experienced fire but there is no obvious damage on the surface. Can it still be used at this time? In fact, it should be replaced at this time, because its surface is not damaged but it does not mean that the interior is useless. If the internal nature changes, it will seriously affect the fire prevention effect.
Reminder: If you want a long service life of fire doors, daily repairs and maintenance are indispensable. Therefore, remember to protect fire doors in your daily life!
