Vertical duo
Find all support information, from installation and maintenance tips to troubleshooting and repair advice for vertical duo solution.
VELUX Support
Multiple window combinations - 2in1, 3in1, and more
Find all support information for your multiple windows here, from installation and maintenance tips to troubleshooting and repair advice.
Self-service guides for multiple roof windows
Can I get a restrictor for my window?
Important product safety warning & replacement information for VELUX sloped roof window
What shall I do when my manual operated window (incl. roof balcony or roof terrace) will not stay open?
What should I do when my windows appear to be leaking?
More
Products related to multiple roof windows
Sloping and fixed
Find all support information, from installation and maintenance tips to troubleshooting and repair advice for sloping and fixed 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.