Based on extensive resources

Press report on Q-FIN

Glass World / June 2016

In the quaint village of Büchlberg in the south-eastern corner of Bavaria, “Putz Fenster & Haustüren” has been successfully producing polymer and aluminium windows for almost 15 years. Johann Putz, the owner, now wants to offer his dealers wooden windows as well.
Why? You will find out when you read on.