The industrial zone is located between the Westerwald and Sauerland's Dortmun about 100 kilometers south. This is the process of steel in Europe to witness the old structures. By the late 19th century, due to economic reasons, to the framework for the structure of wood to break the traditional method of decoration materials and methods. A proportion of co-ordination from the simple neoclassical architectural style. Klenke apartment building designer for the redesign of the rules with reference to the aesthetic and architectural style of this group.