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sauna bath: history and evolution

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  1. 1. Sauna: HARVARD ART MUSEUMSA small room used as a hot-air or steam bath for cleaning and refreshing the body-
  2. 2. a little hemispherical building shaped rather like an igloo with a low doorway. [L] ENGRAVING PRINT OF AZTEC STEAM BATHS OR SAUNAS BY J. FUMAGALLIAgainst it was constructed a fire-place, and the blaze warmed theadjacent wall of the bath-house untilit glowed red-hot. At this stage, thebather crept into the house and threwwater onto the hot wall until theinterior was filled with steam. (Image [R] from the Codex Magliabecchiano, info from "Everyday Life of the Aztecs" by Warwick Bray)
  3. 3. 1955 Finnish women bringing logs and Wood sauna stove - wikimediaclean towels to a bath house inpreparation for a sauna – getty images  The metal stove with stones on top is heated with birch wood fire, and this heats the sauna room to the required temperature
  4. 4.  the electric sauna stove, was introduced on 11 May 1951 by Johannes Säubel in Helsinki
  5. 5. Types of Saunas Pre-Built/Pre-cut Saunas (electrical) Portable and pre-built saunas are the easiest to install. Both are modular units that come in 5 major pieces (two side walls, back wall, front wall with pre-cut door, and ceiling). Even a 2 or 4-person sauna can be installed by one individual in an hour or two, and the installation requires only a few simple tools. Because prefabs are easy to install, they are also portable: they can be installed anywhere there is access to electrical service.
  6. 6.  Infrared Saunas Instead of heating the air around like a normal sauna, infrared rays directly heat the body tissue below the skins surface, allowing to sweat out toxins (among other benefits) instead of indirectly heating the body like a normal sauna…
  7. 7. Wet & Dry Saunas A sauna that uses a wood burning stove, or a more modern electric stove can be used as a wet or dry sauna. The difference will depend on the temperature and humidity inside. Wet home saunas are often called steam saunas. Most saunas today use a heater and some type of volcanic rocks. In both cases, the rocks are heated to a high temperature. The main difference between a wet and dry sauna is the water that is splashed over the rocks in a sauna that is wet. Because the rocks are heated to such an extreme temperature, the water vaporizes very quickly causing steam to form. In a dry sauna, there is no water, just heated rocks.
  8. 8. portable sauna bathportable Finnish sauna bath
  9. 9.  Portable Bag Saunas Only neck and parts of the body under the neck are being heated.
  10. 10.  “Inipi”, a sweat lodge in which hot stones were used to generate the necessary heat. Inspired by this ancient form of sauna, the EOOS design team developed an innovative sauna concept for Duravit
  11. 11. Sauna important Features Heater Vents & Air Circulation Sauna Foil Vapor Barrier
  12. 12. Sauna Heater Most important element in the sauna room and it is responsible for vaporizing water into steam. Sauna Heater varies in shape and size to fit different sauna uses, rooms, uses …. etc
  13. 13. How it works?The stove heats therocks above it thenwater is poured on therocks to be turned intosteam inside the saunaroom
  14. 14. Types Wood burning Sauna stoves Electricity-powered sauna stoves, perfect for small spaces as it takes little sauna room space Propane/Natural Gas-powered stoves, Have larger rock tray for higher steam output Wood burning heater
  15. 15. Electricity-powered stovesneed sturdy heater guardinstalled according to heatermanufacturer specifications.
  16. 16. Woodburning sauna heaters havemuch hotter surface temps, so theydon’t typically use a heater guardand usually require a brick or stonewall inlay near heater to act as aheat shield.
  17. 17. RocksUsed to store much heat to be used invaporizing water when poured, Rocks must bereplaced every year OR 500 hours of use.
  18. 18. The heater must be placedon a concrete-like base. Incase of wood finishing, Itmust be placed on a brickbase with 30cm offsetaround the heater basecovered with a 2mm steelsheet.
  19. 19. In case of brick walls, The heater must be placed around 2”/5cm apart from the wall and in case of wooden walls the distance is no less then 50cm.
  20. 20. The heater is also connected to chimney from brick or metal to emit the smoke (produced from burning) outside. Chimney pipe diameter is no less than 4”> Chimney-roof connection
  21. 21. Vents & Air Circulation Ventilation in a sauna room is extremely important to achieve the utmost in satisfaction and pleasure. It will also speed up the preheating of the sauna room. Lack of fresh air results in the difficulty in breathing or burning of the skin. The expended hot air in the sauna contains less oxygen than the denser atmosphere outside. Bathers sometimes experience faintness unless the air is changed regularly. Normally two ventilators are built into the walls Very large rooms may have to use mechanical air exchange - a suction fun removes air from room causing a low-pressure sucking fresh air in through the intake vent.
  22. 22.  Traditional air ventilation  mechanical ventilationnatural air circulation is achieved when lead the incoming air 500 mm abovefresh air is led in at floor level near the the stove where it will blend with the air rising from the stove. As astove and led out as far from the stove result, sufficient circulation of air isas possible, near the ceiling created in the sauna room. Exhaust air is led out mechanically at floor level, for instance under the benches
  23. 23. Sauna Foil Vapor Barrier  the Aluminum foil vapor barrier and the insulation to keep the heat inside the sauna. A layer of special high temperature aluminum foil vapor barrier must be used to prevent moisture from collecting in the sauna walls and also to reflect heat back into the sauna.
  24. 24.  Presented by: Asmaa Abdelbadee’ Abdallah Sarhan Amal Elsayed Elsayed Ibrahem Hadeer Khalel Meslh Husein Azab Khaled Lotfy Ibrahem Mahmoud Mohamed Magdy Mahmoud Hegazy Mohamed Adel Hassan Mohamed Abdelhameed ElKady Mustafa Ahmed Sultan