IGK manufactures exclusively and entirely in Germany and is certified in accordance with the quality management standard DIN EN ISO 9001 and the environmental management standard EN ISO 14001. Continuous in-house quality controls and regular monitoring by external testing institutes also guarantee that you can rely on our products at every stage of the manufacturing process.

It goes without saying that our entire system complies with the requirements of DIN EN 1279 and ASTM 2190 and all other applicable European and North American standards for glass units.