To provide natural ventilation by installing a duct near a ridge board of a roof.
This ventilating device for ridge comprises a T-shaped duct 5 having its vertical duct portion installed between upper ends of right and left roof sheathing boards 1 in a vertically slidable manner and also having a horizontal duct portion of the T-shaped duct, which is installed to a bottom portion of the ridge board. Each opening of the horizontal duct portion is respectively covered with a sheet which is ventilative to air but impermeable to water.
|JPS62225648||AUTOMATIC OPENING AND CLOSING APPARATUS OF VENTILATION RIDGE|
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