The VELUX GGU series roof window is the original center-pivot roof window. The GGU model roof window has been tried and tested for many years. The roof window features polyurethane moulding and is manually operated via the top bar.


  • Comfortable top handle bar allows furniture to be placed directly beneath the window
  • The window swivels 180° in its frame for easy and safe cleaning
  • Mounts for all VELUX blinds, shutters and accessories are included
  • Dust and insect free ventilation - even when the window is closed
  • White polyurethane moulding

Note: Roof windows are not designed to be used in combination with skylights.

Stain Grade wood interior versions of this window are available in all the sizes listed below. Contact us for more information.

Quick Specs
Use Residential
Ventilation Yes
Flashing Required Yes
Blinds Available
Roof Pitch 15°-90°
GGU Installation Instructions ››
GGU Technical Information ››

One pull of the top control bar allows background ventilation - one further pull opens the window.


Our unique ventilation flap keeps dust and insects out while letting fresh air in.