The most important aspect of the security system (fire) of the building is the installation of fire barriers: gate, doors, hatches. Fire -based doors will help limit the spread of fire within one hall, prevent the smoke of neighboring rooms. Good fire -fighting doors retain fire resistance for the time set in the regulations. The most common doors that maintain fire resistance for 45 and 60 minutes.
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Despite their radical abilities, fire doors have a stylish design and appearance. For fire doors, steel and aluminum system profiles, steel, wood, refractory glass are used. Fire wooden doors. A wooden fire door has a box tightly adjusted to the door leaf. Doors canvas fill with fire -resistant material. Fires are made of special material, which is foamed under the influence of high temperatures, and well sealing all the cracks, preventing the smoke to the neighboring rooms of the building. Steel fire doors. This is a door leaf, which is sheathed with steel sheets with a fack on three sides. Such a door has a high degree of thermal insulation, which is provided by using a canvas from mineral slabs. Three sides of the box are mounted by heat -expanding seals that prevent the spread of smoke.
