In
architecture
Architecture is the art and technique of designing and building, as distinguished from the skills associated with construction. It is both the process and the product of sketching, conceiving, planning, designing, and construction, constructi ...
, a sudatorium is a vaulted sweating-room (''
sudor'', "sweat") or steam bath (Latin: ''sudationes'', steam) of the Roman baths or
thermae
In ancient Rome, (from Greek , "hot") and (from Greek ) were facilities for bathing. usually refers to the large Roman Empire, imperial public bath, bath complexes, while were smaller-scale facilities, public or private, that existed i ...
. The Roman architectural writer
Vitruvius
Vitruvius ( ; ; –70 BC – after ) was a Roman architect and engineer during the 1st century BC, known for his multi-volume work titled . As the only treatise on architecture to survive from antiquity, it has been regarded since the Renaissan ...
(v. 2) refers to it as ''concamerata sudatio''.
It is similar to a ''
laconicum'', or dry heat bath, with the addition of water to produce steam.
In order to obtain the great heat required, the whole wall was lined with vertical
terracotta
Terracotta, also known as terra cotta or terra-cotta (; ; ), is a clay-based non-vitreous ceramic OED, "Terracotta""Terracotta" MFA Boston, "Cameo" database fired at relatively low temperatures. It is therefore a term used for earthenware obj ...
flue
A flue is a duct, pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors. Historically the term flue meant the chimney itself. In the United States, they a ...
pipes of rectangular section, placed side by side, through which hot air and smoke from the
suspensura passed to an exit in the roof.
[
When Arabs and Turks overran the ]Eastern Roman Empire
The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the events that caused the fall of the Western Roman E ...
, they adopted and developed this feature in their baths or hammams.
References
Ancient Roman baths
Rooms
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