Fixing and buying guide
VELUX Centre-Pivot Roof Windows White Painted 78x98cm GGL MK04 2066
What's included and glazing specification
This window comes with premium glazed units as standard. The glazing features safety lamination, toughened glass, UV filtering, and rain noise reduction technology. An easy-clean coating is applied to the outer pane, and an antidew treatment helps prevent condensation. A removable and cleanable ventilation filter is supplied to protect your home from dust and insects during ventilation.
- Safety laminated and toughened glass for security and durability
- UV filter reduces fading of interior furnishings
- Rain noise reduction for quieter operation in wet weather
- Easy-clean outer pane coating minimises maintenance
- Antidew treatment on inner surface
- Removable ventilation filter included
Installation and sizing
The MK04 size (78x98cm) is a standard mid-range roof window dimension. Ensure your roof opening matches this size before ordering. Centre-pivot windows require a clear roof pitch and adequate structural support. The top control bar operation means the window can be installed at a lower position on the roof, allowing excellent views whether standing or seated. Pre-installation checks should confirm that your roof structure can accommodate the window weight and that flashing and weatherproofing materials are available for your specific roof covering type.
- Confirm your roof opening is 78x98cm before purchase
- Suitable for pitched roofs with adequate structural support
- Lower installation position possible due to top control operation
- Flashing and weatherproofing materials must be sourced separately according to your roof covering
Operation and maintenance
The centre-pivot design rotates 180 degrees, making exterior glass cleaning straightforward from inside. The top control bar can be opened to a ventilation position, allowing fresh air circulation through a closed window without full opening. This feature is particularly useful for managing condensation and maintaining security. The removable ventilation filter should be cleaned regularly to maintain airflow and protect against dust and insect ingress. Blind accessories can be quickly installed by clicking them into pre-fitted channels.
- Rotate 180 degrees for safe exterior glass cleaning from inside
- Top control bar provides independent ventilation without full opening
- Removable filter should be cleaned regularly
- Compatible with VELUX blind systems via pre-fitted click channels
- Furniture can be positioned directly underneath without obstruction
Who this window suits
This window is ideal for domestic applications where you want flexible ventilation control, easy cleaning access, and the ability to furnish the room below without compromise. The lower installation position and excellent sightlines make it popular for bedrooms, living spaces, and loft conversions. It suits customers who prioritise ease of operation and maintenance alongside performance glazing.
- Domestic pitched roof installations
- Loft conversions and attic rooms
- Bedrooms and living spaces where furniture placement matters
- Properties where exterior window cleaning access is limited