| 摘要 |
PROBLEM TO BE SOLVED: To provide a synthetic resin siding material which is profound and is so sturdy as to be difficult to be removed by strong wind, wherein the fitting workability of the siding material is excellent. SOLUTION: The synthetic resin siding material comprises a decorated plate as a body, a first fitting part formed on the upper part of the decorated plate, and a second fitting part formed on the lower part of the decorated plate, wherein the thickness ratio to the thickness of the second fitting part is 1.2 to 1- to 3 to 1.
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