- Home
- >
- Examples of perforated metals
- >
- Sound insulation
- >
- Back side louver
Examples of perforated metals
Back side louver
Backside sound absorbing louver type
Similarly to the soundproof wall, the noise from the car running down is processed into a trapezoid on the bottom of the girder on the back side of the elevated expressway on the back side of an elevated expressway with nearby residents and office buildings, etc. I'm suppressing the echo around.
Punching metal used
Example of Sound insulation
Examples of perforated metals
