| 摘要 |
PROBLEM TO BE SOLVED: To provide a sound insulation cover which reduces the manufacturing costs and eliminates variations in sound insulation performance.SOLUTION: A sound insulation cover 20 includes a cover body 21 formed into a closed-end box shape having an opening part 20a on one surface. The cover body 21 includes a housing part 24 which houses an entire protruding portion of a wiring box 11 installed at the wall rear side, which protrudes to the wall rear side. The entire cover body 21 is formed by rubber having high hardness. |
