| 摘要 |
PROBLEM TO BE SOLVED: To prevent the adhesion strength of a corner joint from declining by applying previously water absorption prevention painting to joints in a corner member where a pair of inorganic plates are joined in the joints by an adhesive before application of the adhesive. SOLUTION: A pair of inorganic plates 2 has been joined by an adhesive 3 in joint adherents 2A and 2B, and on that occasion, before applying the adhesive 3, the joint adherents 2A and 2B are previously treated by water absorption prevention painting. After this adhesive 3 is applied, the pair of inorganic plates 2 are adhered to the joints 2A and 2B. The water absorption prevention painting 4 restrains the movement of moisture to the joints 2A and 2B, prevents the adhesive strength of the adhesive when water is absorbed, from declining. Therefore, a decline in the adhesion strength of the inorganic plate corner member in corner joints can be prevented and durability can be increased.
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