Members of the RAL Gütegemeinschaft from A–Z
The members of the Gütegemeinschaft Kunststoff-Fensterprofilsysteme comprise system houses, manufacturers of gaskets, raw materials, film, adhesive…
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This page contains our latest events and press releases as well as more information about what is going on in the association. If you would like to be kept up-to-date with the latest news…
What predestines PVC windows for modernization projects in particular? In their article in the German Comfort@Home magazine, GKFP and EPPA provide private builders with useful information on the…