CE marking is not a quality mark, but it signify that products sold in the EEA ( European Economic area ) conform  safety, health, and environmental protection requirements for the purposes of people, domestic animals and environment. . By affixing the CE marking to a product, a manufacturer declares that the product meets all the legal requirements for CE marking according to rules of New Approach Directives since 1985, and the CE marked products can be sold throughout the EEA without any restriction.

    - Not all products must have CE marking. It is compulsory only for most of the products covered by the New Approach Directives. It is forbidden to affix CE marking to other products.

- CE marking does not indicate that a product have been approved as safe by the EU or by another authority. It does not indicate the origin of a product either.

For the window market;

The window producer ;

- should have a FPC ( Factory Production System).

- should have a ITT ( Initial Type Test ) reports. Tests should be performed by a notified body. Window Producers can use the ITT test reports of the System producer by an aggrement between themselves. Fensterbau has tested window samples.

- should affix the CE marking to windows.

-should prepare a declaration of conformity according to Bulding Directive of EU.