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Saving energy with ISOGON windows

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Our windows protect the environment

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What's glass made up of?

Did you know that 60% of glass is sand? There is also 20% sodium carbonate and sulfate, and 20% dolomite and chalk. 





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


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


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









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