How and where to use guide
VELUX Twin and Combination Flashings 94x140cm EKJ PK08 S0021E
Suitable applications and roof types
This coupled recessed tile flashing is intended for use with compatible VELUX roof window and Sun Tunnel systems only. The 90mm recess depth is engineered to sit flush with standard roof tile profiles, creating a seamless finish on pitched roofs in typical UK weather exposure. It is suitable for both new build installations and refurbishment projects where you are installing or replacing VELUX daylight or ventilation products. Always verify compatibility with your specific VELUX window or Sun Tunnel model before ordering.
- Use only with compatible VELUX roof windows and Sun Tunnel systems
- Designed for pitched tile roofs with standard tile profiles
- Suitable for new build and refurbishment applications
- Engineered for UK climate and typical weather conditions
- Check product compatibility before installation
Installation and on-site handling
The flashing must be installed as part of a complete VELUX roof window or Sun Tunnel assembly to ensure the weather-tight seal performs correctly. The coupled recessed design means the flashing integrates with the window frame or tunnel system to create a unified weather barrier. Installation should follow VELUX technical guidance for your specific window or Sun Tunnel model. Handle the flashing carefully on site to avoid damage to the seal components, and store it in dry conditions until installation. The 940×1400mm dimensions mean careful positioning is needed to align the recess correctly with your roof tile layout.
- Install as part of a complete VELUX window or Sun Tunnel system
- Follow VELUX technical installation instructions for your specific product
- Handle carefully to protect the weather-tight seal
- Store dry until installation
- Ensure the 90mm recess aligns correctly with your roof tile profile
Weather-tightness and long-term performance
When installed correctly with compatible VELUX products, this flashing forms a weather-tight seal that protects the roof structure and interior from water ingress. The coupled recessed design minimises water pooling and directs rainfall away from the window frame and into the roof tile system. The flashing is engineered to perform reliably in typical UK roof conditions, including exposure to wind-driven rain and temperature cycling. Minimal maintenance is required once installed; periodic inspection of the roof area around the flashing is recommended as part of routine roof maintenance to ensure no debris or damage has compromised the seal.
- Creates a weather-tight seal when installed with compatible VELUX products
- Recessed design directs water away from the window frame
- Engineered for UK weather exposure and long-term durability
- Requires minimal maintenance once installed
- Inspect periodically during routine roof maintenance
Limitations and compatibility
This flashing is designed specifically for coupled use with compatible VELUX roof windows and Sun Tunnel systems and must not be used as a standalone product or with non-VELUX windows. The 940×1400mm dimensions and 90mm recess depth are fixed and must match your roof tile profile and window opening size. It is not suitable for flat roofs or non-standard roof constructions. Always confirm that your VELUX window or Sun Tunnel model is compatible with the EKJ PK08 S0021E flashing before purchase, as using an incompatible flashing will compromise the weather-tight seal and void the system warranty.
- For use only with compatible VELUX roof windows and Sun Tunnel systems
- Not suitable as a standalone product
- Fixed dimensions and recess depth must match your roof and window
- Not suitable for flat roofs or non-standard roof constructions
- Verify compatibility with your VELUX product before installation