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The UK's Leading Supplier of Rooflights
Automatic Opening Vents

Automatic Opening Vents

Stardome Automatic Opening Vent

Designed to reduce smoke build-up, helping to provide a safer escape route for occupants and access for fire-fighting personnel. Working in partnership with leading specialists in control systems we provide a complete package of smoke ventilation options.

Helping you comply with Building Regulations

In England and Wales Part B of the Building Regulations covers fire and the Approved Document (AD B) Volume 2 provides guidance applicable to flats and non-dwellings.

Stardome Automatic Opening Vent Rooflight (AOV)
The following national, regulatory guidelines have similar requirements: Section 2 of the Scottish Building Standards Agency Technical Handbooks 2007; Technical Booklet E of the Building Regulations (Northern Ireland); Technical Guidance Document B of the Government of Ireland Building Regulations 2006. AD B identifies some situations where AOVs providing natural ventilation are appropriate, including:
• Small single-stair blocks of flats
• Common escape routes in larger blocks of flats
• Basement areas
• Enclosed car parks
• Vertical smoke shafts as part of a smoke control design
Stardome Smoke Vent Close Up
In several cases AD B specifies the minimum required level of ventilation – generally either 1m2 or 1.5m2.

If you would like assistance at any time about any of the rooflights or would like further details of our range, then please do not hesitate to contact us on 01276 451555, e-mail us at or use this e-mail form to contact us.