| 摘要 |
PROBLEM TO BE SOLVED: To provide a dry joint material having structure surely installable inside a joint of an outer wall in a proper attitude state. SOLUTION: In this dry joint material 3 having a core part 5 and having fins 6, etc., projecting to both sides from this core part 5, a groove 7 opening or opened to the front side of the core part 5 and usable for installing the joint material is arranged in the core part 5.
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