Installation guides
VELUX support
Multiple roof window solutions
Find all support information for your multiple roof windows here, from installation and maintenance tips to troubleshooting and repair advice.
Quick links
Self-service guides for multiple roof windows
What shall I do when my manual operated window (incl. roof balcony or roof terrace) will not stay open?
What should I do when I have condensation on my window?
What should I do when my windows appear to be leaking?
I cannot open / close my manual VELUX roof window
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Products related to multiple roof windows
Vertical duo
Find all support information, from installation and maintenance tips to troubleshooting and repair advice for the VELUX vertical duo solution.
Sloping and fixed
Find all support information, from installation and maintenance tips to troubleshooting and repair advice for sloping and fixed roof windows.
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