| 摘要 |
PROBLEM TO BE SOLVED: To provide a ridge ventilation structure capable of efficiently ventilating unclean air inside of a house and, at the same time, coping with a steep slope and a gentle slope of a roof to improve workability. SOLUTION: The ridge ventilation structure is so constituted that both right and left parts coming into contact with roofing for a ridge ventilation are formed into a hinge structure.
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