| 摘要 |
PROBLEM TO BE SOLVED: To provide waterproof structure, in which the waterproofing works of an external floor can be conducted easily and can also be executed accurately even at the reentrant angle of the external floor particularly and which has excellent workability and watertightness. SOLUTION: The waterproof structure is constituted in such a manner that a water- resistant steel plate 2 with a flat section 21 and upstanding sections 22 on the two sides is arranged at the reentrant angle through a heat-insulating material 1, each upstanding section 22 is fixed onto waist walls Q as two surfaces forming the reentrant angle and connected by a reinforcing member 7, waterproof sheets 3 made of a soft resin are installed up to the upper edge sections of each waist wall Q along each upstanding section 22 of the water-resistant steel plate 2, a reentrant angle cover 81 integrally formed in a watertight manner so as to be positioned along the corner angle section of the reentrant angle and made of the soft resin is fixed at the corner angle section of the reentrant angle through a mounting member 82 stuck on the rear of the cover and edge sections on the outside of the reentrant angle cover 81 are stuck so as to cover edge sections on the reentrant angle side of each waterproof sheet 3.
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