shioyakigawara 塩焼瓦
KEY WORD : architecture / roofing tiles
Lit. salt glazed tile. A process used to frost-proof roofing tiles. A small quantity of salt is thrown on to the exceedingly hot, baked tiles (biscuit ware) from which steam is emanating. The combination of salt and steam produce a rich alkaline glass coating over the tile. Because this glass coating has a low moisture content, it is unlikely to be damaged by frost. Tiles of this type are common to folk dwellings in cold areas along the Japan Sea and throughout northern Honshuu 本州. The majority of red tiles produced in Aichi prefecture use this method.


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