Fixing and buying guide
VELUX EDL CK04 2000 Pro+ Standard Flashings W/ Installation Products 55x98cm
What this product is for
This flashing kit creates a weather-tight seal around VELUX roof windows and Sun Tunnel systems installed into slate roofs. It prevents water ingress at the critical junction between the window frame and the roof covering, protecting the building fabric and interior spaces from weather damage. The system is suitable for both new build installations and refurbishment work where you are replacing or upgrading existing roof windows.
- Weather-tight sealing for VELUX roof windows and Sun Tunnel systems
- Designed specifically for slate roof coverings
- Suitable for new build and refurbishment projects
- Includes BDX 2000 installation products for professional assembly
Compatibility and sizing
This flashing is sized CK04 2000, measuring 550×980mm, and is compatible with standard VELUX roof window and Sun Tunnel ranges in this size category. Verify that your VELUX window or Sun Tunnel is the correct size before ordering. The flashing is engineered for 8mm glazing thickness. Confirm your roof covering is slate before purchasing, as this flashing system is not suitable for other roof materials such as tiles, felt, or metal.
- Flashing size: 550×980mm (CK04 2000)
- Compatible with standard VELUX roof windows and Sun Tunnel systems
- Designed for slate roof coverings only
- Engineered for 8mm glazing thickness
What is included and pre-installation checks
The kit includes the standard slate flashing and BDX 2000 installation products needed for professional on-site assembly. Before installation, inspect all components for damage in transit. Ensure the roof opening is correctly sized and prepared to receive the flashing, and that the surrounding slate roof is in sound condition. Check that you have the correct VELUX window or Sun Tunnel unit ready for installation. Gather any additional tools and materials you may need for fixing and sealing, as these are not included in the kit.
- Includes standard slate flashing and BDX 2000 installation products
- Inspect all components for transit damage before use
- Verify roof opening is correctly sized and prepared
- Confirm VELUX window or Sun Tunnel unit is ready for installation