| 摘要 |
PROBLEM TO BE SOLVED: To prevent the rain entering an attic space, and prevent fire at the time of the fire. SOLUTION: An opening part 7 for ventilation to be communicated with the inside and the outside of an attic space is provided on an eaves soffit along an eaves, a ventilation member 3 having a vent 33 to be communicated in the vertical direction is interposed in the opening part 7 for ventilation, and ventilation of the attic space is performed by the ventilation member 3. The ventilation member 3 is provided with a horizontal base plate part 30 which has the vent 33 in a center part and continuously provides the opening 7 for ventilation approximately before and behind thereof, forward and rear suspended plate parts 31, 32 which are suspended at the forward and rear edges of the horizontal base plate parts 30 and form a downwardly recessed groove 34 communicated with the vent 33 below the horizontal base plate part 30, and forward and rear rise plate parts 35, 36 which rise before and behind the vent 33 above the horizontal base plate part 30 and form an upwardly recessed groove 37 communicated with the vent 33 above the horizontal base plate part 30. A foaming material 4 having a vertically through hole 40 and is volumetrically expanded by the heat is inserted in the upwardly recessed groove 37 of the ventilation member 3. |
