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983 results:
51. Industry spotlight in Wetzlar: GKFP and EPPA Deutschland explore the future of construction  
© Sarah Heuser/ GKFP e.V. On May 7, 2026, members of the Gütegemeinschaft Kunststoff-Fensterprofilsysteme e.V. (GKFP) and EPPA Deutschland e.V. gathered in Wetzlar to hold their annual general assemblies. The Ernst Leitz…  
52. VEKA  
 
53. VEKA  
PVC window profile systems with a RAL quality mark VEKA AG More information to manufacturer  
54. Asas  
Quality-assured profiles ASAŞ Alüminyum San. ve Tic. A.Ş. More information to manufacturer  
55. GEALAN  
 
56. GEALAN  
PVC window profile systems with a RAL quality mark GEALAN Fenster-Systeme GmbH More information to manufacturer  
57. Publications  
 
58. Members  
 
59. Quality-assured adhesives for laminated films  
 
60. CQLT SaarGummi  
 
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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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