Wide Roof Window Exterior View VELUX GGU UK04 shown from outside, showcasing wide dimensions and a flush fit against the sloped roof.
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GGU UK04 Center-Pivot Roof Window

VELUX
SKU:
GGU UK04 0070
$1,130.00

Dimensions: 53 1⁄4 x 39 

In Stock: Usually ships in 2 - 4 days

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GGU UK04 Center-Pivot Roof Window with Laminated LowE3 Glass
Rough Opening: 53-1/4" x 39"

Designed for wide-format openings, the VELUX GGU UK04 delivers bright daylight and effective ventilation to bonus rooms, attics, and lofts. Its center-pivot design makes it easy to open, clean, and enjoy.

  • Top control bar allows smooth operation, even with furniture below.

  • Laminated Low-E3 safety glass improves energy performance and includes a 10-year hail warranty.

  • Built-in ventilation flap provides fresh air circulation without fully opening the window.

  • Polyurethane frame is moisture-resistant and easy to clean—ideal for humid spaces.

  • Installs on roof pitches between 15° and 90°; not suitable for vertical walls or flat roofs.

VELUX 10-Year Installation Warranty 


VELUX flashing is designed to perfectly integrate with VELUX skylights, creating a weathertight seal that protects your home from leaks and water damage.  By using VELUX-certified installers and genuine VELUX flashing, you can be confident that your skylight is installed correctly and to the highest standards.

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Enjoy smooth and easy operation with the GGU UK04 Center-Pivot Roof Window. Designed for comfort and convenience, the window features a top-mounted control bar that allows you to open and close the window with minimal effort. This makes it perfect for rooms with sloped roofs, where you need a window that can be operated with ease.


  • Top control bar for effortless opening and closing
  • Ideal for rooms with sloped walls
  • Simple, convenient, and quick ventilation when needed
  • Perfect for enhancing comfort without complicated mechanisms

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Energy Efficient Design for Year-Round Comfort

The GGU UK04 roof window is built to offer superior energy efficiency, thanks to its Laminated Low-E3 Safety Glass. This innovative glazing keeps your home cool in the summer and warm in the winter, reducing the need for excessive heating and cooling. Enjoy a comfortable living environment year-round with this highly efficient roof window.

  • Laminated Low-E3 Safety Glass enhances insulation
  • Helps maintain a comfortable indoor temperature throughout the seasons
  • Reduces energy costs by improving heat retention
  • Energy-efficient design supports sustainability in your home