VELUX GPU MK04 0070 Top Hinged Roof Window is a perfect choice for top floor spaces, blending spacious design with ease of use. It provides an expansive view and abundant natural light, enhancing the ambiance of any room. The MK04 combines effortless functionality with energy efficiency, making it a smart addition to your home.
- Dimensions: 30 3/4″ x 38 1/2″
- User-Friendly: Top control bar
- Energy Efficient: ThermoTechnology™
- Panoramic Views: Top-hinged opening
- Ventilation Feature: Fresh air ventilation flap
- Easy Maintenance: Rotatable sash
- Customization Options: Compatible with various accessories
- Ideal for: Top Floors and Attics
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Velux GPU MK04 Top Hinged Roof Window
$1,032.00
Lead Time: approximately 7 to 10 business days


Velux GPU MK04 Top Hinged Roof Window Product Details
VELUX GPU MK04 Top Hinged Roof Window
VELUX GPU MK04 Top Hinged Roof Window is a remarkable blend of spacious design and functional excellence. With its generous dimensions of 30 3/4″ x 38 1/2″ and a rough opening of 31 1/4″ x 39″, this model is an ideal choice for medium-sized rooms seeking to maximize natural light and air flow.
Designed with user convenience in mind, the MK04 features an easily accessible top control bar. This design element is especially useful for windows installed in lower positions, as it allows for effortless operation even with furniture placed below. The top-hinged opening mechanism provides an unobstructed view and a feeling of openness, making it perfect for enjoying panoramic views of the outdoors.
Energy Efficiency
Energy efficiency is at the core of the GPU MK04 0070, featuring the cutting-edge VELUX ThermoTechnology™. This technology incorporates high-performance materials that significantly enhance the window’s insulation, creating an airtight seal and contributing to a more comfortable and energy-efficient home.
The MK04 also prioritizes your home’s ventilation and security. The unique top control bar enables you to ventilate your space by allowing in fresh, filtered air, a feature that’s particularly beneficial when you’re not home or during the night. This ensures a healthier living environment without compromising on security.
Maintenance
Maintenance of the MK04 is straightforward. The window’s sash can be rotated 180 degrees, allowing for easy cleaning of the outer pane. The air filter is removable and can be cleaned with ordinary household products, ensuring consistent air quality.
Roof Window Shades and Screens
Customization is a key advantage of the MK04. It is compatible with a wide range of VELUX accessories, offering various shades to cater to your functional needs and aesthetic preferences. Whether you’re looking for practicality or style, there’s an accessory to suit your specific requirements.
In summary, the VELUX GPU MK04 Top Hinged Roof Window is a versatile and efficient choice for those looking to enhance medium-sized spaces. It combines ease of use, energy efficiency, and customizable options, making it a valuable addition to any home seeking to bring in the beauty of natural light and fresh air.

Thermo Technology
VELUX ThermoTechnology, a feature of the latest VELUX generation, enhances insulation, achieving a U-value as low as 1.2 for standard roof windows.
This improvement, coupled with an increased pane area, allows up to 18 percent more daylight and greater passive solar heat gain into your home. These new roof windows elevate the standards of energy balance and efficiency to outstanding new heights.
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