Based on the key values of natural illumination, ventilation, thermal and acoustic comfort of roof windows furniture VELUX, the system for flat roofs or with weak slope (0 with 15°) is composed of a roof window and of insulating twyers-side and is installed on roofings with watertight facing.

3 alternatives of opening:
- Manual by telescopic cane (rotating window GGL Any Comfort)
- Remote-controlled (electric window GGL Integrated Any Comfort)
- Automatic in the event of fire (executory of pneumatic smoke clearing, SEVM-P, version Comfort)

FEATURES:
Dimensions (L X H): 78/94 X 98 cm and 114 X 118 cm
Technical opinion n° 6/06-1654 (model GGL)
Classification AEV: A*3e*9A V*A3
Classification AC: AC1 (Comfort)/AC2 (Any Comfort)
Classification Th: Th9
Thermal coefficient of transmission (Uw): 1,6 W/m2.K (IN ISO 12567-2) (window) and 0,54 W/m2.K (twyers-side)
Implementation: pose on roofing-supports concrete, vat steel, wood
Guarantee: 10 to 20 years (glazing)

Advantages:
- Natural Ventilation by opening of the window or opening of the valve of ventilation integrated into the bar of operation of the window
- Security and resistance reinforced thanks to the laminated glazing of security of the people (standard IN 12600)
- Security-fire: in version discharge system of smoke clearing marked EC: model SEVM-P EC (with thermodeclenchor)
- Compatibility with equipment VELUX (roller shutter manufacturer, blind of screening...)


The complete system:
- Roof window
- Twyers-side made up of insulating twyers-side (laminated wood and polystyrene) and connection of sealing (aluminum enamelled gray anthracite) ensuring the connection with the roof window