Fixing and buying guide
VELUX Recessed Flashings W/ Installation Productions 94x140cm EDN PK08 2000
What is included and who this is for
This kit is intended for builders, roofers, and experienced DIY installers fitting a VELUX PK08 roof window on a pitched roof. The complete package includes the 8mm slate flashing and BDX 2000F installation frame, eliminating the need to source components separately. It is suitable for new build projects and refurbishment work where a professional, integrated roof finish is required.
- Complete flashing and frame system — no additional components needed
- Designed specifically for PK08 window size (940×1400mm)
- Suitable for new build and refurbishment applications
- Engineered for UK roof conditions and long-term durability
Compatibility and sizing
This flashing kit is engineered exclusively for VELUX PK08 roof windows measuring 940×1400mm. The 8mm slate flashing and BDX 2000F frame are matched to this window size and must not be used with other VELUX window models or sizes. Confirm your window model and dimensions before ordering to ensure correct fit and weather-tight performance.
- Window size: 940×1400mm (PK08 only)
- Flashing type: Recessed installation for pitched roofs
- Not compatible with other VELUX window sizes or models
Pre-installation checks and preparation
Before fitting, verify that your roof structure is suitable for recessed window installation and that the roof opening dimensions match the PK08 specification. Inspect the roof area for any damage, rot, or structural issues that could affect installation. Ensure you have appropriate access equipment and that weather conditions are suitable for roof work. Review the installation instructions supplied with the kit to familiarise yourself with the BDX 2000F frame assembly and flashing positioning.
- Confirm roof opening dimensions match PK08 (940×1400mm)
- Check roof structure is sound and suitable for recessed installation
- Ensure adequate access and safe working conditions
- Read installation instructions before commencing work
Installation overview
The recessed flashing system is designed to integrate the window flush with the roof plane, creating a professional finish. The BDX 2000F installation frame provides the structural support and positioning, whilst the 8mm slate flashing creates the weather-tight seal around the window perimeter. Proper installation is essential for durability and weather performance in UK roof conditions. If you are not confident with roof work, engage a qualified roofer or VELUX installer to complete the fitting.
- Window sits flush with roof plane for neat appearance
- 8mm slate flashing provides weather-tight seal
- BDX 2000F frame ensures correct positioning and support
- Professional installation recommended for optimal performance