Clouding or fogging of an insulating glass skylight unit occurs when there is a break in the inner seal between the glass panes. As a result, condensation forms between the two panes.&nbsp;
Units manufactured after January 1, 2000, have a 20-year seal warranty. If a problem areises with the glass seal, obtain the serial number from the roof window or skylight and contact customer service at&nbsp;800-888-3589 from Monday - Friday&nbsp; from 7:30 AM to 8 PM EST and Saturday from 9 AM to 5 PM EST.
For all other times, fill out the <a rel="noopener noreferrer" href="https://pro.veluxusa.com/contact-us/email-customer-service" target="_blank">Customer Service form</a> available online and a representative will reach out in a few days.&nbsp;&nbsp;

Clouding or fogging of an insulating glass skylight unit occurs when there is a break in the inner seal between the glass panes. As a result, condensation forms between the two panes. 

Units manufactured after January 1, 2000, have a 20-year seal warranty. If a problem areises with the glass seal, obtain the serial number from the roof window or skylight and contact customer service at 800-888-3589 from Monday - Friday  from 7:30 AM to 8 PM EST and Saturday from 9 AM to 5 PM EST.

For all other times, fill out the available online and a representative will reach out in a few days.  

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