Most of the tiles produced in Großkrotzenburg, were the practically
square tiles stacked in pillars as support for the hypocaust
heating system. The pillars supported an arch and the floor: after
several years the tiles of the floorboard heating had to be
replaced. Hypocausts were built in living areas, the administrative
buildings of forts, and especially in the numerous baths.
The sizes were standardised. With the stamp "COHIIIIVIN" the "cohors IIII Vindelicorum" can be identified as the manufacturer of the tile. It was made around 200 AD.
Bavarian State Conservation Office – Landesstelle für die nichtstaatlichen Museen & Bavarian State Archaeological Collection with the support of the Bayerische Sparkassenstiftung