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What's a vapor barrier?

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What does K-value?

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Our windows protect the environment

Give our children a healthy future: No heavy metals in the window systems with environmentally friendly calcium / zinc stabilizers.





Awarded with the "German Design Award" for innovative product design.


ISOGON is one of the winners of this year's Great Place to Work® competition "Best Employers 2019 in Berlin and Brandenburg".


ISOGON has DIN EN ISO 9001 certified quality management system









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