The glass sheets are thoroughly cleaned and dried in the washing machine. The glass sheet is then checked for quality using a scanner. The highlight of this line is the VSA for applying the flexible spacer, because the double design of the vertical axis allows parallel operation during application. This significantly optimises the cycle time of the line. The gas filling press takes care of the assembly, the gas filling process and the pressing of the insulating glass units. At the end of the line, Hot-Melt sealing ensures the necessary stability and, above all, perfect corners.