| 摘要 |
PROBLEM TO BE SOLVED: To set an installation place of a rainwater guide member arbitrarily in response to the place of mounting and width size of a balcony and the place of mounting and size, etc. of a window, a door pocket, etc., and to conduct the guide drainage of rainwater without damaging the appearance of the balcony or the periphery of the window. SOLUTION: Rainwater falling on the top face of the deck of the balcony is collected to a front gutter 1a installed at a front girder 1. Rainwater is flowed down to a rain gutter 16 with a horizontal wall mounted on the exterior wall surface of a building in the lower section of a ledger strip 4 through an elbow 15 from a drain inlet 14 formed at the arbitrary place of the bottom of the front gutter 1a, and drained onto a ground through a leader 23 from a drain inlet formed at the arbitrary place of the rain gutter with the wall.
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