In Partnership with Geostaff our common mission is to provide products that will
improve fire protection in buildings. Our smoke extraction ducts will evacuate smoke
from buildings, enabling people to be quickly evacuated. Our fire-resistant ducts will
delay the spread of fire, protect your ventilation and heating systems and cables, and
give emergency services more time to intervene. And finally, our channels provide
optimum protection for gas pipes, ducts and other equipment.
Smoke evacuation ducts and fire rated ventilation ducts are a crucial part of the
smoke and heat evacuation system design. The materials used in their construction
should have test data to prove suitability and fit for purpose.
In the UK and Ireland, vertical smoke extract ducts are often referred to as just
smoke shafts. These Smoke shafts are a vital part of smoke and heat exhaust
ventilation (SHEV) system. Their job is to provide a clear, sealed pathway to safely
extract smoke and hot gases during a fire.
To be safe and compliant, smoke shafts should be constructed from materials tested
to BS EN 1366-8 and classified to BS EN 13501-4. Using untested constructions
puts the entire smoke control system at risk—if the shaft fails, the system fails.
Compliance matters.
The relevant test and classification standards are:
Smoke evacuation ducts
Test: EN 1366-8
Classification: EN 13501-4 EI 60 - 120 S ve ho - 1500 / + 500 Pa Multi
Fire rated ventilation ducts
Test: EN 1366-1
Classification: EN 13501-3 EI 60 - 120 ve ho i ↔ o S (± 500Pa)i
