Which stairwell ventilator can I use on my roof?

What is a stairwell AOV?

A stairwell AOV is an automatic opening ventilator (AOV) which provides at least 1.0m² of free area when open.

The installation is always located at the highest point in an evacuation stairwell and can take a number of forms.

Read more+

Advantages of hatch and louvred stairwell smoke vents (AOVs)

A stairwell smoke ventilator is an automatic opening ventilator (AOV) which provides at least 1.0m2 of free area when open. It usually serves one of two purposes;

Read more+

What type of stairwell smoke ventilator can I use?

A stairwell smoke ventilator is an AOV which provides at least 1.0m2 of free area when open. It usually serves one of two purposes;

  • to evacuate any smoke that gets in the stairwell of small buildings,
  • or, more commonly, it provides replacement air for a lobby smoke extract system in large buildings.

The most common product types of stairwell ventilators are illustrated below.

Read more+
1

Shop by category

see all

Subscribe to Email Updates