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241. Network  
 
242. Members  
 
243. Publications  
 
244. Follow-up report: GKFP e. V. at the Biel Windays 2025 - industry meeting point for window and façade experts  
© GKFP e. V. The windays of the Berner Fachhochschule have once again proven their importance as the most important specialist conference for the window and façade industry in Switzerland. Over two intensive…  
245. General Assembly 2025  
© Dorint Hotels Betriebs GmbH The General Assemblies of the RAL Gütegemeinschaft Kunststoff-Fensterprofilsysteme e.V. (GKFP) and EPPA Deutschland e.V. will take place on 14 and 15 May 2025 in Potsdam.  
246. Now on YouTube: Our video contribution to the RAL project #wirsindRAL  
© RAL Deutsches Institut für Gütesicherung und Kennzeichnung e. V. A new video has been released on our YouTube channel in cooperation with RAL.  
247. RAL Forum Circular Economy on October 29, 2025 “Secondary is the new primary” (German only)  
[Translate to Englisch:] RAL Forum Kreislaufwirtschaft © RAL e.V. For the third time, the RAL Forum is focusing on sustainability, in particular the new quality class of secondary raw materials, with presentations and discussions on opportunities, challenges, and…  
248. RAL press release: 100 years of RAL QUALITY MARK - a look back  
© RAL e. V., Bonn Bonn - 24.03.2025. This year, the RAL QUALITY MARK division - as well as the umbrella organization RAL itself - is celebrating its 100th anniversary. Since its foundation in 1925, RAL Quality Marks…  
249. News  
News Here you can read news from the association life of the Gütegemeinschaft Kunststoff-Fensterprofilsysteme and current publications in the trade press.  
250. Obituary: Great mourning for Dr. Heyo Schmiedeknecht  
From left to right: Dr. Michael Stöger (Chairman of GKFP e. V.), Dr. Heyo Schmiedeknecht (Chairman of the Board of Qualitätsverband Kunststofferzeugnisse e.V. 2009-2017), Patrick Seitz (Chairman of EPPA Deutschland e. V.) We are deeply saddened by the news of the death of Dr. Heyo Schmiedeknecht on February 25, 2025.  
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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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