| 摘要 |
PROBLEM TO BE SOLVED: To provide a drainage device of a deck capable of maintaining high drainage efficiency even if the deck is installed in either mode of a tip-up, horizontal or tip-down. SOLUTION: A rain gutter 12 separately molded from a gable beam is slantly mounted to the side of the inside of the deck of the gable beam 3 so that a ledger strip side becomes high and that a front beam side becomes low, the side end section of a deck material is faced to the rain gutter 12, and rain water flowing out of the side end section of the upper surface of the deck is made to flow into the rain gutter 12 to drain rain water to the ground through a storm guiding member connected in the vicinity of the front end section of the rain gutter 12. COPYRIGHT: (C)2004,JPO&NCIPI
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