A recent addition to our range, the Flatglass AOV Smoke Vent provides an aesthetically-pleasing solution without compromising on the health and safety of the building’s occupants. The window complies with BS EN 12101-2 regulations for natural smoke and heat exhaust ventilation and comes in two standard sizes.

Available in the following sizes:

  • The Flatglass AOV Smoke Vent comes in two standard sizes, which achieve an Aerodynamic Free Area of 1.0m² and 1.5m².
  • Powered by two 24v concealed folding arm actuators

Standard glass specification

  • For stock sizes of AOV Smoked Vent Flatglass rooflights, our standard glass specification is as follows: 6mm clear glass heat soak tested toughened outer pane, with a 20mm argon filled (90%) cavity plus warm edge spacer and a 6mm clear glass
  • Low-E heat soak tested toughened inner pane, all UV resistant silicone bonded


  • We can supply bespoke glass specifications to meet your project requirements, including body tinted, obscure, acoustic, laminated, krypton filled (90%) cavity and solar control options
  • Ritec ClearShield Eco-Glass™ easy-clean coating
  • Specialist AOV control unit, 230v transformer, battery back-up

Installation recommendations

  • Min. 150mm high x 75mm thick structurally sound kerb
  • Maximum pitch of 50