| 摘要 |
PROBLEM TO BE SOLVED: To prevent infiltration of rainwater into a room through an opening frame.SOLUTION: An opening structure 1, which is installed to a plurality of wall materials 20-24 continuously provided in the width direction by continuous parts 25, 26, comprises: an opening frame 10; receiving parts 11, 12 holding the wall materials between them from below; a pair of weir members 14, 14b arranged so as to be close contact with the receiving parts 11, 12; and a drain part 16 installed in the opening frame 10. The pair of weir members 14, 14b are arranged so as to sandwich the continuous parts 25, 26 and the drain part 16 between them. Water seeping from the continuous parts 25, 26 to the receiving parts 11, 12 is discharged from the drain part 16. |
