JOURNAL OF RURAL PLANNING ASSOCIATION
Online ISSN : 1881-2309
Print ISSN : 0912-9731
ISSN-L : 0912-9731
Articles
Study on Alternatives to Kawara Related to Change of Roofing Materials in Historical Townscapes
Yuka FUJIIMasaya MASUI
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2019 Volume 38 Issue Special_Issue Pages 256-263

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Abstract

The purpose of this study was to clarify the current states and issues of production and consumption of roofing materials and substitute products for preservation of roof landscape. A questionnaire survey was distributed to 97 local municipalities that manage preservation districts and 76 agencies replied. Also, interview surveys were conducted with five industry groups and ten production companies. The result of the questionnaire survey shows a remarkable increase and decrease of the amount of traditional and current roofing materials as well as a decrease of cement tiles the roof scenery of those districts. The result of interview surveys shows that kawara is widely used from housing to cultural properties; the location of the soil used for baked kawara has changed to another prefecture; kawara manufacturers are decreasing; and contractors have a decisive influence on kawara consumption. Based on the above, this study examine substitute roofing products of kawara as necessary materials to preserve roof landscape. Glazed kawara imitating a smoked kawara and smoked kawara that looks old-fashioned, prioritizes roof landscape over other manufacturing methods and performance. Substitute products related to shape and construction work are kawara that combines two pieces used for hon-gawarabuki. Manufacturing substitute products for san-gawarabuki, and san-gawara that has made either right or left side sharp are examined as well. In addition, the role of mold making for keeping the shape of the kawara and its maintenance is important.

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© 2019 THE ASSOCIATION OF RURAL PLANNING
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