Optimize natural light and air flow in your attic with VELUX Dual Action Roof Windows GPL. The top vent flap and bottom handle offer versatile usage options, while the 180° rotation allows for easy cleaning. Enjoy a brighter, fresher space with these high-performance windows.
Velux GPL MK08 (780×1400 mm) features
Opens in two ways: the bottom handle allows for top-hung opening; while a short pull on the top control bar operates the filtered vent flap for passive ventilation even while the window is shut. A longer pull allows the sash to rotate 180° for ease of cleaning the outer pane from inside the room.
- White pre-painted pine sash and frame
- Complete with outer aluminium cappings
- Flashings for tile or corrugated iron roofs soldseparately
- Available in 5 sizes
- Laminated double glazing as standard
- Insect screen available as extra
- Manual Honeycomb Blinds supplied separately




Kane Robert –
My skylight was installed two months ago alongside my roof renovation, and it has quickly become one of my favorite features in the home. It brightens up my small kitchen, letting in lovely natural light and creating a connection to the outdoors in what was once a darker space. For both quality and durability, I would exclusively choose the Velux brand.
Gregory Harry –
Great natural lighting!
Roger Smith –
Simple to install, provides a clear and crisp view, and has completely transformed the ceiling.
Kane D –
I installed the light-blocking shade on my own, and the improvement compared to the old one is incredible. I’ll definitely order from Central Skylights again when it’s time to replace the skylights in our kitchen