The fire resistance of the structure depends on many indicators. For example, window fittings, the greater the density of the fit of the sash to the opening, the less oxygen in the apartment, which means that the spread of fire will be difficult.
The fire resistance of the structure depends on many indicators. For example, window fittings, the greater the density of the fit of the sash to the opening, the less oxygen in the apartment, which means that the spread of fire will be difficult.