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 sold separately
- Available in 5 sizes
- Laminated double glazing as standard
- Insect screen available as extra
- Manual Honeycomb Blinds supplied separately
Garrick Titus –
Thanks Velux, thanks Central Skylights
Eugene Marcus –
Perfect product!
Ralph William –
Good skylights. They arrived within a week, and the roofer installed them promptly. The curb mount fit perfectly
Jocelyn –
Incredibly fast shipping. Thank you
Uri –
Quite good service, thanks for everything
Alva F –
This is my third order with this company. The package arrived damaged, but Velux replaced the damaged part without much hassle.
Aubrey A –
Excellent pricing, a friendly and knowledgeable staff, and efficient shipping all contributed to a smooth and pleasant transaction. Thank you
Aylmer W –
Outstanding product and a seamless transaction. Delivered exactly as promised. I will definitely purchase from here again