Vertical Smoke Vent Ventilation Window

Vertical Smoke Ventilation Window

Louvre smoke ventilation windows have multiple benefits. An automatic opening vent (AOV) louvre window provides as much as 1.5m2 of air for ventilation. With a wide operating parameter, window louvre smoke vents can be used in high wind environments as well as normal conditions and can also be utilised to increase the natural daylight in a property.

Glazed Louvre Vent

Louvre Vents – Glazed

  • Double and triple glazed glass
  • The benefits of natural light and smoke ventilation in one
  • Opens to 90 degrees within 60 seconds
  • Thermally broken aluminium framework

Glazed window louvres are commonly used in façades or curtain walling and have multiple benefits. They can be used in high wind environments as well as normal conditions and can also be utilised to increase the natural daylight in a building or property. Available fully certified to BS EN12101-2 and electrically operated to open to 90 degrees in under 60 seconds and in either double or triple glazed glass. Our smoke ventilation windows are also available to offer low-level fresh air and comfort ventilation when required. These benefits make them one of our most popular smoke ventilation systems.

  • Available in a wide range of sizes and glazing options
  • Incorporates an anti trapping feature
  • Impact Resistant to DIN 18032-3
  • Choice of framework colours

Lunaglaze Louvre smoke vent & air supply

For façade apertures or curtain walling. Electrically operated, the vents open to 90° in under 60 seconds.

  • CE marked and fully certified to BS EN12101-2
  • Assists in compliance with Building Regulations ADB, ADF and ADL
  • Impact resistant to DIN 18032-3
  • Barrier load to BS 6180:2011
  • Anti-burglar to EN1627 RC2
  • Thermally broken aluminium framework can be delivered with mill finish, anodised or powder coated
  • Choice of double and triple glazed glass, or solid insulated blades

Glazed Louvre vents In Action

A selection of smoke ventilation windows installed

Smoke Ventilation Window Services

We provide our customer with the best possible service

Quality Assurance

With many years’ experience in the industry, you can rest assured that our team only work with the highest quality products and brands.

Personal Service

We always put our customers first and promise to provide you with the highest levels of customer service.

Wide Range

A large selection of materials, brands and design features to help you create the perfect smoke ventilation system.

Free Quotes

Find out how we can help you with a free quote from our friendly and experienced team.


Our knowledgeable team can help you find exactly what you need – they are always on hand to offer assistance.


We offer free delivery nationwide throughout the UK for all our products.

AOV Smoke Ventilation Window FAQs

What is an AOV Window

An AOV Window can be part of an AOV System which is designed to vent smoke out of a building that is on fire. They can be triggered by either a detector or a call point on a control panel unit which will cause the windows and any other vents in the area to open.

What is a Smoke Vent System?

A smoke vent system is a connected arrangement of smoke and heat exhaust vents (SHEVs) which work in unison when a call point or detector is triggered. They are intended to clear smoke from buildings making escape routes more visible and reducing smoke damage to the building.


What Does AOV Stand For?

In this context, AOV stands for Automatic Opening Vent.

What is AOV Construction?

AOVs are being more prominently used in the construction of large, high-rise, buildings for both residential and commercial use. They are also used in buildings where the risk of fire is increased, such as factories or laboratories. Due to the fact the multiple occupancy buildings are required by law to have clear escape routes which are clear of smoke AOVs are the perfect solution to this.

What is natural smoke ventilation?

Natural smoke ventilation uses the inherent buoyancy of hot smoke and the airflow dynamics of smoke and air to remove smoke.

How does an AOV system work?

AOV systems when a detector or call point is triggered and this will cause the AOV system to open its windows or vents to create ventilation. This will clear smoke for people leaving the building and vents smoke out of the are that has been triggered.

Can a window be an AOV?

Yes, windows can be an AOV. Automatic Opening Ventilation (AOV) windows help to clear lobbies, landings and corridors in the event of a fire.

What is a smoke control window?

A smoke control window enables automatic or manual opening of the smoke ventilation window, which extracts excessive heat, smoke and toxic gases released during a fire.

Why choose us?

  • Experts In The Industry

    With many years’ experience in the smoke vent and dome light industry, we are the premier company to call on for your project.  Supplying products to trade, contractors and builders, as well as individuals, we can provide the ideal smoke ventilation window for your needs.

  • Extensive Range

    We have a great range of products from excellent brands such as Stardome, Astroglaze, Skylantern, Solarglaze and Thermodome.  We stock our products right here in the UK, so we can supply any product to any location easily and quickly.

  • Free Quotes

    We offer a completely free quotation for your smoke ventilation system!

  • Easy Ordering

    We have a team of experts on hand to help you select the right products for your needs and specification.  Placing an order is simple – just contact us to speak to our helpful team!

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    National Domelight Company
    Room 205
    Basepoint Business Centre
    377-399 London Road
    GU15 3HL