Fixing and buying guide
VELUX Centre-Pivot Roof Windows White Painted 78x98cm GGL MK04 2062
Who this window is for
This roof window suits homeowners and builders installing windows in noise-sensitive locations, particularly bedrooms in urban areas or near transport routes. The top-operation design is ideal for rooms where floor space is limited or where you may have beds or other furniture positioned under the window. It is suitable for serious DIY installers with roofing experience and professional installers.
- Noise-sensitive locations: busy roads, railways, airports, or high-traffic areas
- Bedrooms and rest spaces where sound reduction is essential
- Rooms with limited floor space or furniture placement constraints
- Properties requiring upgraded thermal and acoustic performance
Sizing and compatibility
This window is sized at 78x98cm (MK04 is the VELUX size designation for this dimension). Before purchase, confirm your roof opening matches this size exactly. Check your existing roof structure, rafter spacing, and pitch compatibility with VELUX installation requirements. The window is designed for pitched roofs and requires appropriate flashing kits specific to your roof covering type (tiles, slates, or sheet materials). Verify that your roof pitch falls within VELUX's recommended range for this model.
- Size: 78x98cm (MK04 designation)
- Suitable for pitched roofs only
- Requires compatible flashing kit for your roof covering
- Check roof pitch compatibility before ordering
What is included and features
The window comes complete with the centre-pivot frame, special sound-insulating glazing, top control bar, removable and cleanable ventilation filter, and pre-fitted brackets for blind installation. The 180-degree rotation mechanism allows safe external glass cleaning from inside. The ventilation filter protects your home from dust and insects while allowing air circulation. Blinds are sold separately but click easily into the pre-fitted brackets. Optional upgrades include mains-powered or solar-powered remote-controlled motors for added convenience.
- Centre-pivot frame with white painted finish
- Special sound-insulating glazing and extra sound insulation
- Top-operated control bar for modern appearance
- Removable and cleanable ventilation filter included
- Pre-fitted brackets for blind installation (blinds sold separately)
- 180-degree rotation for safe internal cleaning of outer glass
- Optional: mains or solar-powered remote motor upgrade available
Pre-installation checks and preparation
Before installation, measure your roof opening carefully to confirm it matches the 78x98cm specification. Inspect the roof structure for rot, damage, or inadequate support. Ensure rafter spacing and roof pitch are compatible with VELUX requirements. Order the correct flashing kit for your specific roof covering material. Check that you have adequate headroom inside the room for the window's operation and rotation. Prepare the roof area by removing existing covering materials carefully. Have appropriate safety equipment and scaffolding in place for working at height. If you are not experienced in roof work, engage a qualified installer.
- Measure roof opening to confirm 78x98cm fit
- Inspect roof structure for damage or inadequate support
- Verify rafter spacing and roof pitch compatibility
- Order correct flashing kit for your roof covering type
- Check internal headroom for window operation and rotation
- Prepare roof area and arrange appropriate safety equipment
- Consider professional installation if roof work experience is limited