Smoke ventilation window GGL is centre-pivoted, mains-powered and operated via the control system for smoke ventilation. The smoke ventilation window is based on the design of roof window GGL. In the VELUX code system, the window is identified by the number "40" at the end of the variant code, for instance GGL MK06 307340. GGL ----40 is available with and without wind deflector KFD.
GGL ----40 with KFD is the same window as GGL -----40 without KFD, but is fitted with wind deflectors both on the inside of the sash and the outside of the frame. Frame and sash made of laminated pine wood and ventilation flap made of pine wood are finished with triple coat. The exterior of the frame and sash is metal-clad and therefore maintenance-free. The window is equipped with an insulating glass unit. The electrical components are described in greater detail under each component.
Increase personal safety and building safety in the event of fire with a VELUX smoke ventilation window. The window automatically opens when smoke is detected to quickly release smoke and excess heat and meets EU requirements.
Can also be opened to let in fresh air for comfort ventilation. Exterior design matches other VELUX roof windows Requires a control system to be activated.