| 摘要 |
PROBLEM TO BE SOLVED: To provide the joint structure of a wall surface material, which can be applied simply and in which the generation of a crack or the like in the joint of the adjacent wall surface materials can be prevented effectively even in the wall surface material having a surface pattern (a relief) composed of grooving, in which a recessed groove is formed, on its surface and having the recessed groove having narrow width. SOLUTION: The joint structure of the wall surface materials has the adjacent wall surface materials 1, joint treatment materials 2, 3 being previously installed along each butt end section and surface section of the wall surface materials 1 and having an L shape or a U shape, a joint reinforcing film 4 formed by covering the surfaces of the joint treatment materials 2, 3 and the wall surface materials 1, and a finish coating film 5 formed by covering the surface of the joint reinforcing film 4 and the wall surface materials 1, and the L-shaped or U-shaped joint treatment materials 2, 3 are abutted and fixed mutually while the joint treatment materials 2, 3 and the joint reinforcing film 5 have mutually non-adhesive characteristics.
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