The core activity of Zirkulit AG is the development and provision of circular building materials and systems for the construction of recyclable houses. This includes the production and distribution of mineral building materials such as concrete, insulation materials, facade components, ceiling elements, plasters and masonry mortars, which enable maximum circularity and reduction of CO₂ emissions through their unique recipes and manufacturing processes. In addition, the company offers consulting and development services to support customers in planning and implementing recyclable construction projects.