In his own architectural and development office, he concentrated on prefabricated construction systems made of steel and plastic, then on prefabricated wet cells, sustainable product concepts and barrier-free building. Within the framework of his professorship in the design faculty of the RheinMain University of Applied Sciences, from 1985 to 2006 he gave a series of lectures on construction-specific design and technical installations. In 1993, Frank Huster created Architec for Duravit, a ceramic programme for public and semi-public areas that remains successful and continues to be expanded. In 2009 the Duraplan range of shower trays that fit flush with the floor followed.