STAKE EFFECT & EXIT PRESSURISATION ANALYSIS

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Stack effect is the vertical airflow within buildings caused by the temperature-created density differences between the building interior and exterior or between two interior spaces. Stack effect in high-rise buildings under extreme temperature conditions can be a primary driver of floor-to-floor smoke spread via vertical openings within the building.

We provide specialist services to achieve sufficient pressure difference between exits and adjacent areas not to be overcome by the forces of wind, stack effect, or buoyancy of hot smoke.