Multiple window combinations - 2in1, 3in1, and more
Find all support information - from installation and maintenance tips to troubleshooting and repair advice for multiple window solutions.
VELUX Support
Vertical duo
Find all support information for your vertical duo solution - from installation and maintenance tips to troubleshooting and repair advice.
Products related to vertical duo
Sloping and fixed (VELUX sloping extension)
Find all support information - from installation and maintenance tips to troubleshooting and repair advice for sloping and fixed roof windows.
Sloping and vertical (VELUX facade extension)
Find all support information - from installation and maintenance tips to troubleshooting and repair advice for sloping and vertical roof windows.
How can we help you?
Need further assistance?
If you are not sure how to proceed or you can’t find what you are looking for, get the help you need.