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When is Stairwell Smoke Ventilation Required?
Stairwell smoke ventilation is typically required where the stair core forms part of the building’s protected escape route.
Requirements are set out in Approved Document B, with additional guidance from BS 9991 and BS 9999.
Every project is different. Our dedicated smoke ventilation specialists will review your drawings, fire strategy and project requirements to recommend the right compliant solution.
How to Order Your System
Drawings, fire strategy, or a quick overview of your project
Know what you need? We’ll price it. If not, we’ll recommend the right setup.
Clear pricing, fast lead times, and ongoing support when you need it
Typical Stairwell Smoke Ventilation Setup
Most stairwell systems include:
- A roof hatch or AOV skylight at the head of the stairwell
- An AOV window providing ventilation to the stair core
- Smoke detectors and control panels
- Manual override switches and battery backups
Not sure what you need? Send us your drawings and we’ll recommend the right solution.
Key Considerations for Stairwell Smoke Ventilation
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Complete Smoke Ventilation Solutions
Stairwell smoke ventilation can form part of a wider smoke ventilation system.
Adjoining areas such as corridors are often ventilated separately, commonly using smoke shafts with dampers on each level.
In larger or more complex buildings, these zones may form part of a larger, multi-zone smoke ventilation system.
Whether you’re at planning stage or already have a specification, we’ll review your drawings, recommend the right solution and provide a competitive quotation.