VELUX Support

Sun tunnel for flat roofs

Find all support information for your sun tunnel for flat roofs here, from installation and maintenance tips to troubleshooting and repair advice.

Self-service guides for sun tunnels for flat roofs

How much daylight should I get through my sun tunnel?

What should I do when I have condensation in my sun tunnel?

There is water trapped in the sun tunnel’s diffuser, what should I do?

My sun tunnel does not provide enough light compared to what I expected, what can I do?

Find all support information for your sun tunnel for pitched roofs here, from installation and maintenance tips to troubleshooting and repair advice.

How can we help you?

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If you are not sure how to proceed or you can’t find what you are looking for, get the help you need.

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