| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilation louver which can enhance productivity and mounting workability. SOLUTION: The ventilation louver 1, which is disposed in a rectangular opening O provided in a wall W inside a house, enables natural ventilation. The ventilation louver 1 is composed of a louver body 2 and a ventilation grille 3 mounted on the louver body 2 by each of one and the other wall surfaces Wa and Wb. The louver body 2 is composed of a first frame material 4, which can be inserted into the opening O from a side of the wall surface Wa of the wall W and wherein a mounting piece 4B mounted on the wall surface Wa is provided on a both-end side of an upper horizontal base body 4A affixed to an upper inner surface Ou, and a second frame material 5 which can be inserted into the opening O from a side of wall surface Wb and wherein a mounting piece 5B mounted on the wall surface Wb is provided on a both-end side of a lower horizontal base body 5A affixed to a lower inner surface Od of the opening O. The frame material 5, which is substantially equal in shape to the frame material 4, is used by turning the frame material 4 upside down. |
