KORSA Fenster GmbH is the official German main sales partner of KORSA FENSTER ™, which has been producing since 1998. We focus on expanding our dealer network and also offer a quality installation service. A 10-year guarantee in accordance with our terms and conditions and a reliable partnership are our main features. Our motto is 100% customer satisfaction - we mean guaranteed compliance with the law and business ethics for all of our customers. KORSA FENSTER ™ is an ARP partner of REHAU. This means constant and strict quality control of our production and delivery components by REHAU. We have filed several patents for large wings and reinforced arc segments. Our glazing is manufactured in a modern production line by the world market leader Lisec, Austria. High-quality machines from Elumatec and Sturtz (Germany) are used to manufacture our PVC and aluminum windows and doors. Other main suppliers of our components are Winkhaus (Germany, hardware), Guardian & EUROGLAS (EU, glass), and SWISSPACER (Switzerland, plastic spacers with a warm edge). Our double and triple glazing is energy efficient, with argon/krypton fill, safety glass and many more options. Our group of companies has over 120 offices and our expansion does not stop. New dealers and partners expand our company every month. KORSA Fenster GmbH based in Leipzig. We increase the comfort of working with KORSA FENSTER TM by handling import and customs clearance in the EU and offering delivery to every city in the EU. Our main priorities since the establishment of KORSA TM are high quality, constant innovation and good service throughout our network. If you want to be proud of your PVC or aluminum windows/doors for years, KORSA Fenster is the right choice.