Homeowner
Professional
Dealer Extranet
Free installer training
VELUX logo
Tools and services
Product information
Partner resources
Support
BFX+BDX installation set

BFX+BDX installation set

  • Commercial Description
    The installation set includes the underfelt collar BFX for a watertight seal between the roof window and the roofing underfelt, and insulation frame (BDX) for a reduction in heat loss and the elimination of cold bridges.

Benefits

A full solution with BFX and BDX for a weatherproof and well-insulated installation
Underfelt collar BFX ensures a perfect fit and watertight seal between the roof window, battens and the roofing underfelt
Insulation collar BDX insulates around the roof window frame, reducing heat loss and eliminating cold bridges

Installation Guide Asset

Assets: 11
Installation instructions for BDX 2000/2001
LINK
BDX WK34 2000F
LINK
V22 Installation instruction BDX
LINK
V22 Installation instruction BDX
LINK
BDX 2011
LINK
BDX 2011E
LINK
BDX 4021 E
LINK
BDX 4021 B
LINK

EPD Assets

Assets: 1
EPD BDX insulation collar
LINK

CAD drawing

Assets: 1
CAD Drawing
LINK

CE Marking Asset URL

Assets: 1
https://resources.velux.ie/ce-marking
LINK

Size Chart

Assets: 1
Poster with VELUX roof windows (product size chart) Standard roof windows and Special function roof windows
LINK