VELUX Support

Vertical duo

Find all support information for your vertical duo solution here, from installation and maintenance tips to troubleshooting and repair advice.
0012J.tif
Self-service guides for vertical duo
Important product safety warning & replacement information for VELUX sloped roof window
What should I do when I have condensation on my window?
I cannot open / close my manual VELUX roof window
What shall I do when my manual operated window (incl. roof balcony or roof terrace) will not stay open?
More

Products related to vertical duo

542766

Sloping and fixed

Find all support information, from installation and maintenance tips to troubleshooting and repair advice for sloping and fixed roof windows.
Go to sloping and fixed support
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.