| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a structure in which a penetration member such as a support penetrates a waterproof sheet laid on an upper surface of a roof or the like, wherein the structure as a waterproof structure is enhanced in waterproofness at a penetration portion and improved in workability. <P>SOLUTION: According to the structure in which the penetration member (2) such as the support penetrates the waterproof sheet (14) laid on the upper surface of the roof or a floor, and an exposed section of an outer peripheral surface of the penetration member (2), which is located above the upper surface of the waterproof sheet (14), is covered with cylindrical waterproof portions (26), (31). According to the structure a positioning member (32) for preventing the cylindrical waterproof portion (31) from shifting downward, is protruded inward from a peripheral wall upper edge of the cylindrical waterproof portion (31), and mounted on an upper end face of the penetration member (2). <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
