The history of the plaster
The thing which adds water and seaweed paste, Susa to the calcium hydroxide which adds water to the calcium oxide which burnt the limestone, and prepared it, and was made is "the plaster". The plaster stiffens in response to atmospheric carbon dioxide in strong alkalinity and has a property to return to hard limestone with progress of the time. Is old in Japan; such as high Matsuzuka and the kitora old burial mound is used for an Egyptian pyramid or the Chinese Great Wall of China in the world, and know what is admitted a good point of the plaster from ancient times by people, and is inherited in the present age from the earliest times.
Because there was superior work to be flame retardant that adsorption dismantled, the chemical substance which controlled the outbreak of mold and the tick that the plaster held dew condensation in check by adjusting humidity as well as the beauty of the white wall has been used in a castle wall, a storehouse, a tea-ceremony room, a house in the style of a tea-ceremony pavilion, a bath, a closet.
The plaster which grew up in this way with the history of the human, the history of the building provides health and a residential space of the relief to us, and it may be said that it is construction materials having the superior construction results that traditional above all, were cultivated.