Aluminum AOV rooflights
Certified natural smoke and heat exhaust ventilator (NSHEV), designed for flat roofs and available in two sizes to provide 1.0m2 or 1.5m2 aerodynamic free area.
Engineered for Compliance. Built for Reliability.
The EOS AOV is a CE-marked Natural Smoke and Heat Exhaust Ventilator (NSHEV), available in two configurations to deliver either 1.0m2 or 1.5m2 aerodynamic free area. Designed for flat roof applications, it meets all requirements under BS EN12101-2 and is suitable for use in stairwells, lobby areas, and protected escape routes.
- EN12101-2 certified and CE/UKCA marked
- 24V DC twin drive motors (6A total)
- Connects to smoke detectors and break-glass units
- Optional wind deflectors to increase aerodynamic area (Aa)
- Thermally broken aluminium construction
- RAL 7016 matt as standard (other colours available)
- Flush-mounted design for 0–5° flat roof slopes
- Opening angle up to 140°
Size and Spec Options
The EOS AOV Rooflight is available in just two standard sizes, each designed to meet specific airflow requirements. Choose between EOS1 (1.0m2 aerodynamic free area) or EOS2 (1.5m2 aerodynamic free area) depending on the needs of your project.
Downloads


Optional insulated upstands
The EOS97 rooflight can be supplied with a fully insulated timber upstand, manufactured in house
Upstand U Value from 0.32 W/m2K
Guarantee perfect fit
Eliminate cold bridging

Are you looking for fixed rooflights for a commercial project?
We supply rooflights to custom specifications or standard sizes, as a one-off or in volume. Find out more about how we can support your commercial development.
Contact our team
If you have any questions, would like a bespoke price or want to enquire about our installation service. Give us a call or drop an email:
0208 462 3557