PROBLEM TO BE SOLVED: To simplify mainly the waterproof structure for the entrance frame attachment member, and to make it possible to install the waterproof tape in a wide range across the inside and outside of the overlapping portion of the wall panel and the exterior material.;SOLUTION: The present invention relates to a waterproof construction method of an entrance frame attachment portion in which an exterior material 22 is attached to a wall panel 11 having an entrance door attachment opening 15, leaving an entrance door attachment opening 15, and an entrance frame attachment member 52 is attached to the entrance door attachment opening 15 of the wall panel 11 to which the exterior material 22 is attached. A waterproof tape 21 is attached to the wall panel 11 so that a part thereof is exposed to the inside of the entrance door attachment opening 15. Thereafter, the exterior material 22 is attached to the wall panel 11, and the exterior material 22 covers a portion 21a attached to the wall panel 11 of the waterproof tape 21.;SELECTED DRAWING: Figure 4;COPYRIGHT: (C)2019,JPO&INPIT
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