| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilator for a building which has an excellent ventilating capacity and prevents penetration of rain water or the like. SOLUTION: A ventilator comprises louvers 10 which are fixed to a ventilating hole provided at an end side wall surface of a building and communicated with the interior and exterior, a ventilating hole frame 20 having a given shape which has been formed in accordance with the shape of the ventilating hole, and a cover 30 for covering the outer upper surface of the ventilating hole frame 20. Each of the louvers 10 is inclined downward from the outside to the inside. |
