| 摘要 |
PROBLEM TO BE SOLVED: To provide a supporting material for use in newly placing a film sheet stretched on a film sheet of an existing greenhouse.SOLUTION: A layering supporting material comprises a base part, a columnar part, and a sheet receiving part. In a cross-sectional shape of the layering supporting material, the base part has a tabular widened member provided with a curved space below; the columnar part comprises left and right tabular wall materials, in which riser pieces are opposed to stand on the base part and a groove is formed in a central part; and the sheet receiving part is continuous with the left and right tabular wall materials forming the columnar part, and has an interval larger than the groove in the central part, and an upper end part constitutes a receiving part to support a sheet. The curved space of the base part is formed to have a size to cover an existing sheet fixture of a greenhouse. |
