Fire doors – the door to life in case of fire

Fire doors, what exactly are fire doors

❓❓❓

If you just look at the name

The three words \”fire door\” make people feel safe

There seems to be this door

You will no longer be afraid of fire

Then

How important are fire doors?

Fire doors - the door to life in case of fire

Through experiments we can see

Fire in house

Set fire doors in escape passages

With the fire door closed

The escape route is very safe

When the fire door is opened

Thick smoke gushes out

The entire floor was filled in just 10 seconds

Fire doors are the door to life in case of fire

Fire doors refer to doors that can meet fire resistance stability, integrity and thermal insulation requirements within a certain period of time.

Specially used to isolate fire sources in housing construction. In the event of a fire, people can obtain escape opportunities through fire doors.

But many people are completely unaware of the importance of fire doors, and there are many misunderstandings about their cognition and behavior:

1. For convenience, keep the normally closed fire door open all year round

2. There are piles of debris near the fire door

3. Lock the fire door or change it into a security door without permission

These misunderstandings will encourage the spread of fire and block escape routes in the event of a fire, so everyone must maintain safety awareness at all times.

For the sake of life, please keep the fire door closed

But be careful

Fire doors are really not fireproof doors

If the burning time is long enough, the fire door will also catch fire!

Fire doors can buy time for people to escape

Not non-burning

So, if you encounter a fire, you still have to evacuate quickly!

Classification of fire doors

1. According to material, it can be divided into:

Wood fire doors, steel fire doors, steel and wood fire doors and other material fire doors, our commonly used fire doors The doors are wooden fire doors and steel fire doors.

Fire doors - the door to life in case of fire

Fire doors - the door to life in case of fire

2. According to fire resistance, it can be divided into:

Insulated fire doors (Category A), partially insulated fire doors (Category B) and non-insulated fire doors (Category C).

The fire doors we usually refer to are thermally insulated fire doors, which can meet both fire-resistant integrity and thermal insulation requirements within a specified time. Fire doors have smoke-proof properties when closed.

There are three commonly used fire resistance grades for insulated fire doors: Class A (1.5h), Class B (1.0h) and Class C (0.5h).

In summary

Fire doors hinder the spread of fire and smoke from all aspects

Buy escape time for personnel

In terms of protecting people\’s lives and safety

Plays an important role

It is an indispensable fire protection facility in the building

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