Velux Insulation Collar - CK04
Best current price£43.86from Travis Perkins
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Product Information
Full details
The Velux Insulation Collar CK04 is designed for homeowners and professional installers looking to improve the thermal efficiency of their roof window installations. By creating a seamless, insulating barrier between the roof window frame and the surrounding roof construction, this product minimizes heat loss and cold bridging. While it provides an essential layer of weather protection and thermal security, it is specifically engineered for the CK04 window size, meaning it is not compatible with other window dimensions without modification.
All features
| Model Part Number | CK04 |
|---|---|
| Brand | Velux |
Extended Product Information
FAQs
Can I install this after the window is already in the roof?
No, the Velux Insulation Collar is designed to be fitted around the window frame during the initial installation process.
What is the primary function of the BFX collar included in the box?
The BFX collar ensures a high-quality, weathertight seal between the roof window and the existing roof underfelt.
Does this collar come with insulation material?
Yes, the collar acts as an insulating frame that surrounds the window, specifically designed to bridge the gap between the window and the roof structure.
Can this be used on flat roofs?
This specific model is designed for pitched roof window installations. Please check your specific window model compatibility.
Is the drainage gutter necessary?
Yes, the drainage gutter is essential for guiding rainwater away from the head of the window, preventing moisture ingress.
Troubleshooting
Difficulty snapping the collar parts together
Ensure the window frame surface is clean and free of debris, and confirm that you are using the correct orientation for the click-fittings.
Collar does not fit the frame snugly
Verify that the window size is indeed CK04 and that there are no obstructions on the external roof frame structure.
Pros and Cons
Pros
- Significantly improves room energy efficiency
- Provides a reliable, weathertight seal
- Easy installation with integrated click fittings
- Includes necessary drainage components
Cons
- Specific to CK04 size only
- Requires proper roof access for installation
- Must be installed during window fitting
Setup, Compatibility & Care
Compatibility is limited to the CK04 window size; always verify your window model plate before starting. The kit is designed to be installed simultaneously with the roof window. Ensure the roof opening is correctly framed according to Velux guidelines. Once installed, the system requires no ongoing maintenance. However, it is recommended to inspect the surrounding roof tiles and flashing periodically to ensure debris has not blocked the transverse drainage gutter, which could impede proper water runoff.