VELUX smoke vent dome

From xxxx€

The VELUX smoke vent dome is perfect for buildings that need to meet safety requirements while providing comfort for the building’s users. Typically used in stairwells and annex connections, it automatically opens in case of fire to release smoke and gasses from the building. Dome opens 50 cm within a minute.


  • AA fire rated
  • Tested and certified to EN ISO 12101-2
  • Visually appears as standard VELUX flat roof windows
See gallery

Product details

  • 1
    High smoke vent opening

    High smoke vent opening

    The VELUX smoke vent dome top opens all the way up to 50 cm to quickly release smoke and other harmful gasses in time-critical situations. Can also open up to approx. 15 cm for daily comfort ventilation.

  • 2
    Polycarbonate dome

    Polycarbonate dome

    Robust polycarbonate material used in the VELUX emergency exit dome is virtually impervious to damage from hail, ice pellets and other extreme weather.
  • 3
    Control system 

    Control system 

    Opening system is connected to VELUX fire control system, which should be purchased separately. Choose from three different control systems that can control varying numbers of smoke vent windows and offer a smoke detector addition.


  • Internal finish

    Maintenance-free PVC

    Practical seamless design and use of PVC material helps keeps the internal finish clean.
  • External finish

    Dome in opaque

    For the most privacy.

    Dome in transparent 

    For the most daylight.

    External finish

    Polycarbonate withstands impacts and fire.
  • Glazing performance

    73 pane

    Two-layer, low-energy pane with lamination on the inside and a 4 mm toughened pane with heat insulation.
  • Operation

    Electric ventilation

    Electric ventilation via fire control system

Download brochure

Open your flat roof to daylight and fresh air

A VELUX flat roof window solution is the perfect recipe for bringing plenty of daylight and fresh air into the very centre of your home. in contrast to facade windows that only light up the room perimeter a flat roof window can be positioned right on top of your favourite areas for work, rest and play.

The result is great indoor comfort with optimal daylight influx and great ventilation performance. 

For professionals

Are you an installer, architect or a dealer – follow the below links to find more information about installation, drawings and technical details. If you are looking more tools and information - go to the professional section to find even more such as installation videos, architect cases, CE marking, how to become a VELUX certified installer

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