Complaint form

Below, you as a tradesman or dealer can easily and quickly submit a complaint

Are you an end user?

As a starting point and in the event of an error during assembly, you must contact the craftsman or dealer from whom you purchased your element.

Please note that faults caused by incorrect operation or lack of maintenance are not covered by the warranty.

Before you fill in the form, you should make sure that your complaint is justified. As a member of the Window Industry, we refer to the Window Industry's Technical Regulations and warranty scheme.

Read more here:

The complaint must be filed as soon as the fault is discovered and the products must not be installed without prior agreement.

You must use the order and position number, which you can easily find on the DVV sticker, which is on all our windows and doors.


All fields marked with * must be filled in.

Our online complaint form is currently being updated!

    Alle felter med * skal udfyldes