Products - Stairwell AOVs
What’s the purpose of a stairwell AOV?
If a fire breaks out, resulting in smoke getting into communal lobbies or corridors adjoining the escape stairwell, there need to be some means of rem...
What products can be used for stairwell ventilation?
The most common product types of stairwell ventilators are: The louvred ventilator provides discharge of smoke and fumes through motorised blades alon...
Do stairwell ventilators have alternative uses?
The stairwell ventilator may be used to evacuate heat or to provide fresh air to a lobby smoke shaft system when it is used for environmental ventilat...
How are the vents or hatches controlled?
As well as the AOV window or AOV ventilator you’ll also need a smoke control unit, manual switches , and in some cases smoke detectors.
What standards apply to stairwell AOVs?
The main standard applying to AOVs in general and stairwell ventilators is BS EN 12101-2:2003 Smoke and heat control systems – Natural smoke and heat...
Where are stairwell AOVs used?
The exact requirements for ventilating such buildings are stipulated in Approved Document B of the Building Regulations 2013.
What are stairwell AOVs?
A stairwell ventilator / stairwell AOV is an automatic opening ventilator (AOV) which provides at least 1.0m² of free area when open. The installation...
Do I need to buy specific products depending on the type of ventilation chosen?
Typically comprising an AOV control panel, manual switches, and in some cases smoke detectors. A modular unit will most often be used which provides a...