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What's a vapor barrier?

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What does U-value mean?

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What's the level of light transmittance?

It describes the percentage of sunlight, which is transmitted from outside to inside through a glass pane. A simple 4 mm glass sheet has a light transmittance of 85%. A heat-insulating glass pane (2X4 mm, 16 mm gap) with the proper K value of 1.1 lets pass at least 76% of the light.





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


Entrance door panels - first class quality and easy-care longevity.


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









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