VELUX Top Hung Roof Window - White - GPU MK04 0066

The VELUX bottom-operated, top-hung roof window GPU opens outwards to connect your home to the out...

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Travis PerkinsVELUX Top Hung Roof Window 780 x 980mm White Maintenance Free GPU MK04 0066
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Product Information

Full details

The VELUX Top Hung Roof Window is designed for homeowners seeking to enhance natural light and ventilation in their living spaces. Its primary benefit is the outward opening mechanism that maximizes views and a sense of spaciousness, while its durable, moisture-resistant finish makes it ideal for humid environments like kitchens. A potential consideration is that it requires specific roof conditions and professional installation for optimal performance and weatherproofing.

All features

ColourWhite
Model Part NumberGPU MK04 0066
BrandVelux

Extended Product Information

FAQs

What are the external dimensions of the GPU MK04 0066 model?

The external dimensions for the GPU MK04 0066 model are 780mm wide by 978mm high.

Is this window suitable for a flat roof?

No, this is a top-hung roof window designed specifically for pitched roofs. VELUX offers different products for flat roofs.

How do I clean the glass from the inside?

The glass features an 'easy to clean' coating. You can wipe it with a damp cloth. For more thorough cleaning, use a soft cloth with water and a mild, non-abrasive detergent, then rinse and wipe dry.

Can I install this window myself?

Professional installation is highly recommended due to the nature of roof window installation, which requires precise fitting, sealing, and flashing to prevent leaks and ensure structural integrity.

What does 'anti-dew' mean for the glazing?

The anti-dew feature refers to a special coating on the outer pane that helps prevent condensation from forming on the exterior surface of the glass, especially in cooler temperatures, thus improving visibility.

Does the window come with flashing?

The flashing is typically sold separately and must be chosen based on your specific roofing material and profile to ensure a watertight installation.

What is the warranty period for this VELUX window?

VELUX generally offers a 10-year warranty on their roof windows, with specific terms and conditions applying. Please refer to the official VELUX warranty documentation for details.

Troubleshooting

Window is difficult to open or close

Check for obstructions in the opening mechanism or frame. Ensure the window is not warped by extreme temperature changes. If the issue persists, the mechanism may require adjustment by a professional.

Water leakage around the window

Inspect the flashing and sealing around the window frame. Ensure no debris is trapped in the seals. Water leaks typically indicate an issue with the installation or flashing, requiring professional inspection and repair.

Condensation on the glass

Interior condensation can occur due to high indoor humidity. Ensure adequate ventilation in the room. For condensation between panes, the seal may be compromised, requiring professional service.

Difficulty operating the ventilation bar

Ensure the main window sash is fully closed before attempting to use the ventilation position. Check for any obstructions around the ventilation flap.

Pros and Cons

Pros

  • Maximizes natural light and panoramic views
  • Durable and moisture-resistant finish ideal for kitchens and bathrooms
  • Enhanced glazing provides safety, comfort, and easy maintenance
  • Improves ventilation without compromising security
  • Stylish design complements various interior decors
  • Robust construction ensures long-term durability

Cons

  • Requires professional installation for proper sealing and function
  • Opening mechanism may be restricted by certain exterior features
  • Triple glazing, while beneficial, adds weight
  • Specific dimensions mean it must fit chosen roof opening precisely
  • Timber construction may require periodic maintenance in extreme conditions

Setup, Compatibility & Care

Setup: Installation of the VELUX Top Hung Roof Window requires precise roof opening dimensions and professional fitting to ensure proper weatherproofing and structural integrity. It is crucial to follow the manufacturer's detailed installation manual, which includes instructions for flashing and sealing to prevent leaks.

Compatibility: This window is designed for installation in pitched roofs. Compatibility with specific roofing materials (e.g., tiles, slates, metal roofing) depends on the appropriate VELUX flashing kit, which must be selected based on the roofing type and profile. Always consult the VELUX compatibility charts.

Care: The exterior of the window is designed for low maintenance. The polyurethane finish can be cleaned with a damp cloth and mild detergent. Avoid abrasive cleaners. The interior timber frame can be wiped down with a slightly damp cloth. Periodically check the frame and seals for any signs of wear or damage. The easy-clean coating on the glass helps repel dirt; a simple wipe with a clean cloth is usually sufficient. Ensure ventilation points are clear of debris.

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