Smoke exhaust ductwork
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National Research Council (Canada)'s National Fire Laboratory in Mississippi Mills, Ontario
Wikimedia Commons has media related to Smoke Exhaust Ductwork.
Smoke exhaust ductwork, in
listing and approval use and compliance. It is used to remove smoke from buildings, ships or offshore structures to enable emergency evacuation as well as improved firefighting. In North America, fireproofed
ductwork may be used for the purpose of smoke exhaust, but it is more common to use unfireproofed return air ductwork, whereby no fire testing or listings are employed to qualify the ductwork for this use.
Means of construction
Smoke exhaust can be built using:
- ordinary sheet metal with external fireproofing treatment; or
- a proprietary duct that is inherently fire-resistant; or
- Fire resistant materials, such as calcium silicate.
Gallery
See also
- Passive fire protection
- Pressurisation ductwork
- Heat and smoke vent
- Grease duct
- Calcium silicate
- Fireproofing
- Firestop
- HVAC
- Listing and approval use and compliance
- Smoke
- Fire
- Emergency evacuation
References
External links
- Smoke Extraction in Buildings Slide Show by Vysakh Manohar
- ISO6944 - 2008 Fire containment -- Elements of building construction -- Part 1: Ventilation ducts
- "Wisegeek" page on return air ductwork. Return air ductwork can be co-opted for cold smoke exhaust in North America
