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What does K-value?

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THE
|
COMPANY

Since our founding in 1992, we’ve offered customers a superior product whose
functionality, design and quality has earned the "MADE IN GERMANY" stamp
of excellence.

We produce in our own facilities, high-quality PVC and aluminium windows and doors, insect systems, ventilation systems, facade designs and shutters that lead the industry in innovation, durability, and low maintenance.




Our website is CO₂-neutral.
Thereby we reduce the CO₂-emission.


Our windows carry the
CE-mark which indicates the conformity of the product
to the European guidelines.


For our PVC Windows and Doors we only use Materials "Made in Germany".









© 2016 ISOGON Fenstersysteme GmbH. All rights reserved.