PURPOSE: To reduce a cutting work for an outer wall material or eliminate the need of the work, and to easily install a waterproof structure of an overhang roof. ;CONSTITUTION: A gutter 40 is provided on the lower side of a point of intersection 15 of an outer wall surface 11 of a building and a roof surface 14 of an overhang roof 12 disposed in such a manner as to overhang from the outer wall surface 11 or its extension surface to perform water proofing between the outer wall surface 11 and the overhang roof 12. Thus, if rainwater or the like enters a gap between the outer wall surface 11 and the overhang roof 12 from the intersection position 15, the rainwater or the like can be collected by the gutter 40, so that though water proofing of a complicated structure is conducted for the intersection position 45 heretofore, a satisfactory water proofing performance can be obtained in addition to a drainage function of the gutter 40 only by conducting water proofing of a simple structure.;COPYRIGHT: (C)1995,JPO
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