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 MK04 (780×980 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
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