Knowledge about windows and doors

When you choose new windows and doors, it is important to know how they should be maintained in order to last for many years.

In this section you can find advice how to maintain your windows and doors. Moreover you can see our frequently asked questions, which might be useful to you.

If you cannot find the information that you are looking for, please contact Rationel and we will get back to you as soon as possible.

Questions and answers

asked questions
User Manual
Maintaining your
Windows & Doors


Declaration Of PerformanceLearn the
energy Terms

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