Certilight Twin Flap Ventilator (Glazed)

Twin Flap Ventilator designed for Smoke and Natural Ventilation Applications. An ideal solution for installation into glazing systems within high atria. Tested to EN12101-2 for Smoke Ventilation.


• Forecast for installation on standard or glazed roof.

• Can be glazed, opaque or with acoustic/ thermal insulation.

• All finishes available: laquered, anodised, mill…

• NSHEV (Natural Smoke and Heat Exhaust Ventilator) consists on two leaves.

• Replaces two panes of glass in glazed applications.

• Can also be delivered installed on upstand for a typical dry roof.

• 3 versions availables:

– Glazed version in a glazing bar.

– Installation on upstand with glass or thermal alu infill.

– Acoustic with or without upstand.


• Certilight is a NSHEV (Natural Smoke and Heat Exhaust Ventilator) conforms to NF EN 12101-2 et NFS 61 937-1.

• 1200 J resistance (with griddle).

• Classification air/water/wind: in process.


• Opening frame with thermal bridge.

• Adaptation to match the existing alu profile thickness can be provided.

• Adaptation on upstand.


• Certilight conforms to NF EN 12101-2 and NFS 61 937-1.

• 1200 J resistance (with griddle).

• Reliability: Re 1,000 (smoke exhaust) and/or Re 10,000 cycles (for daily ventilation).

• Aerodynamic value: Cv from 0,3 to 0,7.

• Snow load (SL250, SL500 and SL1000).

* Classification air/water/wind: in process

• Ug: from 1.9 to 4 W m2 /°K with thermal

opaque infi ll and from 2.1 à 5.7 W m2 /°K for glass infill.