| 摘要 |
PROBLEM TO BE SOLVED: To provide a wall panel capable of making structural materials such as a column or the like of a wooden building breathe to prolong the life thereof and, at the same time, forming an external wall substrate excellent in earthquake resistance with a simple structure at a low cost. SOLUTION: The wall panel is so constituted that venting recessed grooves 3 extending to the vertically longitudinal overall length are lined to the whole area on the indoor side of a panel body 2 at a certain pitch in both right and left directions of the width of the panel body 2.
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