During the IBF trade fair, held from April 27 to 29, 2006, a significant international event took place in Brno, the expert symposium "Materiality of Surface Areas in the Architecture of Classical Modernity. Significance – Insights – Care." The organizers of the meeting were HAWK - University of Applied Sciences and Arts in Hildesheim /Germany/, the Museum of the City of Brno, the Faculty of Architecture of the Brno University of Technology, and the National Technical Museum in Prague. The symposium was sponsored by Xella Porobeton CZ s.r.o., for whom the continuity with architectural traditions of the past and a modern view of today's architecture is part of the company's philosophy.