Velux GGL Smoke Ventilation System
The VELUX Smoke Ventilation System is available for 1m² or 1.5m² of smoke free ventilation area.
Centre-pivot window made of high-quality natural pine with clear lacquer finish.
Comes with laminated inner pane for additional safety with clear and clean coating on outer pane to keep the glazing cleaner for longer.
For Geometric Smoke Ventilation our systems are tested and certified to EN ISO 12101-02 for roof pitches 15-90 degrees.
For Aerodynamic Smoke Ventilation our systems are tested and certified to EN ISO 12101-02 for roof pitches 15-60 degrees.
System can be upgraded to comply with aerodynamic smoke ventilation requirements by the inclusion of the optional KFD external wind deflector.
10 year VELUX guarantee for windows and panes, 3 year guarantee for the electrical items.