| 摘要 |
PURPOSE: To facilitate execution by mounting a plurality of side wall panels successively to a first side wall with a specific point of one side end of a first side wall as a starting point, while a fitting projection of the following first side wall panel to a fitting recess of a first side panel mounted in advance. CONSTITUTION: While a fitting projection 1b of the following side wall panel 10 to a fitting recess of a side wall panel 10 mounted in advance, a plurality of side wall panels 10 are successively mounted to a first side wall 201 with a specific point Q1 in the vicinity of the left side end 201a of a the first side wall 201 as a starting point. After that, a side wall panel 10' narrowing the width by cutting a right side edge section of the side wall panel 10 in a belt- shape is mounted to an end cut section 201c remaining in the right side of the first side wall 201. An execution directionγof the first side wall 201 is matched with an execution directionδof a second side wall 202 opposed to the first side wall 201 in parallel, and a tile finishing joint of the first side wall 201 and a tile finishing joint of the second side wall 202 are arranged with high degree of accuracy. Accordingly, work efficiency can be promoted.
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