Fire doors or fire doors are able to resist the spread of flames and fumes that can be released during a fire. What are the materials they are made of? Types, characteristics, legislation, REI classification and costs of fire doors. Find out everything you need to know about this passive safety system.
The fire doors they are better known as doors fire prevention. I’m mandatory by law in public buildings such as schools, theaters, hospitals, restaurants and bars. Their function is that to prevent, in case of fire, the spread of flames and fumes from one environment to another. They are more and more also widespread in the private sphere. Fire doors represent an important passive safety system, able to protect the rooms of the house.
How are fire doors made? What are the materials used for the construction? How much do they cost? Find out everything you need to know before choosing the right door for your home.
Read also: House fire extinguishing system
What are fire doors
The fire doors they are better known as fire doors, because, in case of fire they are able to resist fire and prevent the spread of flames and fumes that may develop from one environment to another. The law in force in our country provides that all public buildings such as hospitals, schools, but also cinemas, theaters, restaurants, bars, are equipped with fire doors.
It is a passive safety system installed always more often even in private homes, to ensure greater protection for those who live there. Moreover, the progress in this sector allows us to achieve models more and more details e of design, perfect also for private homes and to furnish the interiors.
Types of fire doors
The fire doors they can be of different types and sizes. Depending on the opening system they can be:
- sliding
- or swing. This typology can be ad only one door or with two doors.
All types are made with fireproof materials that have a high resistance to fire and therefore are able to protect the places where they are installed.
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Fire doors or REI doors
The fire doors as we have already said they are better known as fire doors for their function of stopping the spread of fires, but they are also defined REI doors.
What does the abbreviation REI mean? Each word of this abbreviation indicates a particular characteristic that fire doors must have in order to be considered in accordance with the law. Let’s see the meaning in detail.
- R stands for resistance: say the ability of these doors to resist fire
- And it stands for airtightness: the ability of doors to block fire
- I stands for thermal insulation: the ability of the doors to prevent the transmission of heat
Depending on the time in which the fire doors are able to resist and block the spread of flames and fumes, the REI initials is accompanied by the number 30, 60, 90, 120, 180.
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To be considered in accordance with the law, fire doors must meet the requirements provided for by two regulations that determine the classification of fire doors:
- European standard EN 16034
- Regulations specific for each nation, for Italy it is UNI 9723
Furthermore, among the requirements established by law, REI doors must close automatically in the event of fire, by means of devices such as spring hinges, door closers or counterweights in the case of sliding doors.
The materials of the fire doors
What are the materials that make up the fire doors? To be able to prevent the passage of fire, REI doors must be built with materials that have ahigh resistance to high temperatures. In general, the construction material is given by a combination of different materials including:
- Steel
- Aluminum
- Wood
- Plaster
The fire doors are sealed along all the edges with materials that prevent the passage of flames, such as gaskets that in contact with heat or flames expand and prevent their passage.
Some fire doors, moreover, have inside them are windows, tested to resist flames and built in such a way as not to break in the event of direct contact with fluid jets that aim to extinguish any fires. These stained glass windows are built with a combination of materials such as glass, wire mesh and liquid sodium silicate.
The dimensions of the REI doors
What are the sizes available for fire doors? In general REI doors have standard size is must overcome also rigorous testing that ensure fire resistance. In fact, let’s not forget that their function is to protect and guarantee the safety of the environments.
- Width from 40 to 135 cm, height from 180 to 265 cm for single-leaf models
- Width from 120 to 260 cm, the height varies from 200 to 265 cm for models with 2 doors
- For the sliding models the measures can be customized.
Fire door costs
How much do fire doors cost? How easy it is to guess i costs of fire doors vary according to some factors such as: dimensions, materials used, class of belonging according to the legislation. Recall that this classification can be from 30, 60,90,120,180.
The starting price for REI doors it is around 150 euros per square meter and can reach around 350 euros depending on the models and characteristics previously identified.
At these prices, then you have to add transport and assembly costs which can range from € 25 to € 500. Let’s not forget that installation it must be carried out by expert and specialized personnel.
Fire doors: photos and images
Fire doors are a passive safety system, mandatory in public buildings such as hospitals, schools, cinemas and theaters. They are able to resist fire and block the spread of flames and fumes that can be released. Browse the gallery and discover the most popular fire doors.
