Description
Underfelt collar and transverse drainage gutter, for recessed installation
Roof pitch: 15° – 90°
Benefits:
- Suitable for all roof constructions
- For a tight connection between windows and moisture-proofing (roofing felt or foil)
- Thanks to its design, it allows for installation on roof battens – without the need to remove them
- Allows you to place an additional insulation layer between the roof battens
- The upper part of the BFX insulation should be placed under the drainage gutter
- Easy and tight installation thanks to the new butyl glue layer, allowing BFX to be attached to the window frame
- New, profiled corners enable fast and tight insulation in the corners of the frame
- Material: three-layer polypropylene non-woven fabric
