Quality-assured reinforcements

The reinforcements used in quality-assured PVC window profile systems are subject to the provisions of the Technical Appendix to RAL-GZ 716. They are manufactured exclusively according to the specifications of the system supplier.

Below you will find an overview of the quality-controlled production facilities for reinforcing profiles.

Gebhardt-Stahl GmbH

  • Production site: Werl

More information to manufacturer

H. Hüttenbrauck Profil GmbH

  • Production site: Unna

More information to manufacturer

METAL TRADE COMAX, a.s.

  • Production sites: Litovel (Czech republic) and Bočiar (Slovakia)

More information to manufacturer

Publications

Knowledge and information

The latest technical guidelines of the Gütegemeinschaft Kunststoff-Fensterprofilsysteme, consumer magazines relating to PVC windows and many other publications can be found in the Downloads area. RAL-GZ 716 and the Technical Appendix can also be ordered there.

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