Velux Tile Flashing with BDX Insulation Collar - MK08

The Velux Insulated Tile Flashing MK08 delivers weathertight integration for roof window installat...

Best current price£135.66from Travis Perkins

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Travis PerkinsVELUX Standard Tile Flashing Including BDX Insulation Collar to Suit MK08 Roof Window 780 x 1400mm
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Product Information

Full details

The Velux Tile Flashing with BDX Insulation Collar is designed for professional roofers and homeowners undertaking roof window installations on tiled, profiled, or thatched roofing surfaces. Its primary benefit is providing a weathertight seal combined with an integrated insulation collar that eliminates cold bridges and minimizes heat loss around the window frame. While it offers superior thermal protection and weather resistance, it is specifically engineered for a precise window size of 780 x 1398mm, meaning it is not suitable for alternative window dimensions.

All features

Model Part NumberEDW MK08 2000
BrandVelux

Extended Product Information

FAQs

Can this flashing be used with flat roof tiles?

This model (EDW) is designed for profiled tiles up to 120mm. For flat tiles or slate, a different flashing series (EDL) is typically recommended.

Is the BDX insulation collar included in the box?

Yes, this specific kit includes the BDX insulation collar as part of the package.

What is the maximum tile profile height this flashing supports?

This flashing is engineered to support tiles with profiles up to 120mm in height.

Can I use this on a 10-degree roof pitch?

No, this product is designed for roof pitches between 15° and 90°. Installations outside this range may compromise the waterproofing.

Does this flashing fit any Velux window?

No, it is specifically sized for the MK08 window size, which is 780 x 1398mm.

Troubleshooting

Water pooling around the base of the window

Check the bottom flashing section for debris or obstructions and ensure the flashing apron is laid flat against the roof surface.

Drafts detected near the window frame

Verify that the BDX insulation collar was installed correctly and is fully seated against the window frame and the roof opening.

Pros and Cons

Pros

  • Integrated BDX insulation collar significantly improves thermal performance
  • Provides a secure, professional weathertight seal
  • Compatible with a wide range of high-profile roofing materials up to 120mm
  • Suitable for a broad roof pitch range of 15° to 90°

Cons

  • Specific to MK08 size (780 x 1398mm) and cannot be adapted for other sizes
  • Requires professional installation knowledge for optimal performance
  • Not suitable for low-pitch roofs under 15°

Setup, Compatibility & Care

To ensure the longevity of the flashing system, verify that the window size is exactly 780 x 1398mm. The installation involves fitting the BDX collar around the rough opening before securing the window frame. Ensure that all flashing sections are overlapped according to the manufacturer's provided diagrams to prevent potential leaks. For care and maintenance, periodically inspect the flashing around the window to ensure no debris, such as leaves or moss, has accumulated in the side channels, as this can impede water drainage and lead to water pooling.

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