VELUX Support

Vertical duo

Find all support information for your vertical duo solution here, from installation and maintenance tips to troubleshooting and repair advice.
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Self-service guides for vertical duo
I cannot open / close my manual VELUX roof window
What should I do when my windows appear to be leaking?
I can feel draught around my window, what should I do?
Important product safety warning & replacement information for VELUX sloped roof window
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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
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