| 摘要 |
PROBLEM TO BE SOLVED: To provide a soundproof wall structure excellent in sound insulation performance.SOLUTION: In a soundproof wall structure 100, a wall surface body 4 where a sound insulating sheet 1 is sandwiched by a plywood 2 and a gypsum board 3 from both sides is arranged on the indoor side of a sound proof room with respect to a lathing bar 5. The sound insulating sheet 1, the plywood 2, and the gypsum board 3 are fastened by a screw 6, and the sound insulating sheet 1, the plywood 2, the gypsum board 3, and the lathing bar 5 are fastened by the screw 6. The sound insulating sheet 1, the plywood 2, and the gypsum board 3 are not integrated by an adhesive. |
