The core activity of Kruner Industries AG is the development and manufacture of sustainable building materials, particularly binders and products made from them, such as KrunerRoc, KrunerStone, KrunerClay, KrunerInso, and KrunerWood. These products are made from natural, recyclable, and environmentally friendly materials and are intended to replace traditional building materials such as cement and concrete. The company focuses on developing technologies that enable the binding of sand and other materials, thereby creating new, sustainable building materials.