June 26th, 2016. For the German glass and windows magazine ‘GFF-Magazin’, I wrote a comprehensive overview about glazing bars, i.e. about the types of glazing bars in insulating glass units, the origins of those bars, and why representative Psi-values for windows with glazing bars are much more favorable compared to the high surplus values to Uw. You can find the article here (unfortunately, it is in German language).