Mr. Pohl, how circular is the construction industry today?
The importance of resource efficiency and circular economy has increased in recent years. The mineral-based construction industry already has high recycling rates in principle: The waste fraction of construction waste is almost completely recycled and almost 80% is sent for recycling. However, most of the mineral waste fraction that is currently generated is returned to road construction and earthworks. In other words, it is not recycled at a high value-added stage comparable to that of the original product, even though this would be technically possible in principle. In my view, however, a true recycling loop is only created when the material is fed back into the cycle at a comparable value-added stage. In other words, a masonry block becomes a masonry block again, for example.