| 摘要 |
PROBLEM TO BE SOLVED: To provide a soundproof structure of a shutter case, which can reduce a raindrop noise and which can inhibit fire spread from being caused by a vibration damper in a case of fire.SOLUTION: A soundproof structure of a shutter case includes: a winding shaft 13 that has both ends supported above a building opening of a building exterior wall 23 provided with the building opening and around which a curtain part 19 for opening/closing the building opening is wound; a metal case 29 that is fixed to the building exterior wall 23 and formed like a box for housing the winding shaft 13 together with the wound curtain part 19; and a sheet-like vibration damper 15 that is attached along the winding shaft 13 at a tip part 55 of a top plate undersurface, on a tip side with respect to the winding shaft 13, of a top plate 37 of a storage part. |
