New raw material from old windows: resource efficiency in energy refurbishment in Wülfrath
The extraction of raw materials has a long tradition in Wülfrath in the Bergisches Land. Situated in the middle of Europe's largest limestone mining area, limestone was already quarried and fired here in the Middle Ages. To this day, the raw material is supplied from Wülfrath to the construction and steel industries, among others. The quarrying of raw materials is perhaps not the first thing one thinks of in an energy [...]