5.1 Marking
Fabric expansion joints which comply with these quality and test specifications may be identified with the following quality mark:
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![](https://en.qafej.com/wp-content/uploads/2023/04/RAL_logo_en.gif)
The use of the quality mark shall be governed solely by the Regulations for the Award and Use of the Expansion Joint Quality Mark of the Gütegemeinschaft Weichstoff-Kompensatoren e.V. (Quality Association for Expansion Joints).
The quality mark must be accompanied by the manufacturer’s name (or his mark).
5.2 List of testing institutes
![](https://en.qafej.com/wp-content/uploads/2023/04/tuev-sued.png)
![](https://en.qafej.com/wp-content/uploads/2023/04/vgbe-300x133-1.png)