The company Freisleben and Möhle from Flein covered the roof of a mosque in Heilbronn with an overall area of ca. 300 m² with titanium silver.

The roofing of the domes (diameter: 3.40 m, height 2.20 m) was made with Rheinzink pre-weathered titanium zinc in German strutting system. The dormers of the mosque were also covered with pre-weathered zinc over a total area of ca. 130 m².