Fire ventilation cut-off dampers, unlike fire dampers, in the waiting position, that is, during the normal operation of the facility – remain closed. If a fire is detected in a given fire zone, from the CSP is transferred …

Fire resistance is determined in order to assess the performance of a given building element, when subjecting his sample to specific conditions of heating and pressure. The fire resistance of a test piece is expressed in time, by which the relevant criteria are met …

Ventilation ducts and any inspection doors used in them should be made of non-flammable materials, and combustible thermal and acoustic insulation as well as other combustible cladding of ventilation ducts may be used only on their outer surface, in a way that prevents the spread of fire. …

The basic factors causing the movement of smoke in a building are:
– chimney effect,
– heat emitted during a fire,
– Atmospheric conditions, especially wind and temperature,
– operation of mechanical air transport systems.

Floating is observed within the fire compartment …