VELUX Underfelt Collar 66x118cm BFX FK06 1000

Key features

• Integrated transverse drainage gutter directs water away from window installation
• Weather-tight seal between window frame and roof structure
• Compatible with standard VELUX roof window and Sun Tunnel ranges
• Suitable for new build and refurbishment applications
• Supports visually consistent roof finish
• Engineered for UK roof conditions

Specifications

Product code

BFXFK061000

Dimensions

660 x 1180mm

Type

Underfelt collar with transverse drainage gutter

Application

VELUX roof windows and Sun Tunnel systems

Material

Aluminium with integrated drainage channel

Roof pitch compatibility

Standard pitched roof installations

Description

The VELUX BFX FK06 1000 Underfelt Collar is a 660x1180mm flashing and transverse drainage gutter designed for use with compatible VELUX roof window and Sun Tunnel systems. It provides weather-tight sealing between the window frame and roof structure, with integrated drainage to direct water away from the installation. Suitable for both new build and refurbishment projects, this collar supports a neat, professional roof finish that integrates with standard pitched roof construction. Engineered for reliable performance in typical UK roof conditions.