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What's the DIN V18054?

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How to maintain the window right?

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What does K-value?

The K-value is the parameter with which the heat loss is described by one component. The smaller the K value, the better the insulation. To be precise: The K-value is the amount of heat, that drains off in 1 hour through one square meter of a 1 meter thick layer of material at 1°C temperature difference from the hot to the cold side (see also U-value). 





We`re processing for our PVC Windows exclusively Quality Profiles from Schüco.


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


ISOGON has DIN EN ISO 9001 certified quality management system









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