Underfelt collar (BFX) and insulation are included with the Pro+ (2000) flashing set to create a watertight seal between the roof window and the roof and insulation collar (BDX) for reduction of heat loss and eliminating cold bridges.
Used for Profiled roofing material EDW
- For profiled roofing material up to 120 mm
- Suitable for interlocking slate, thatch and profiled sheeting
- Roof pitches from 15°-90°
Insulation collar BDX
- Insulates around the roof window frame, reducing heat loss and eliminating cold bridges
- Flexible insulation collar can be compressed for quick installation
- The combination of rigid and flexible foam ensures a tight, energy-efficient installation to the roof construction
Underfelt collar BFX
- Ensures a perfect fit and watertight seal between the roof window, battens, and the roofing underfelt
- Easy to fit. Simply place on top of the roof window and unfold
- An adjustable and self-supporting drainage gutter is included in the BFX. This leads the water away from the head of the roof window if there is a leak above