noise absorbing sheets Italy

...Sound absorbing box The sound-absorbing box covers a wide range of use and it is carefully designed to effectively achieve noise attenuation of each type of fan. The external structure is entirely composed of galvanized panels and sound absorbing material which allows a considerable reduction of sound energy. Benefits The structure is composed with galvanized-sheets panels, coated with...

... newly constructed buildings as stipulated by the DPCM of 5/12/1997. Finally, of fundamental importance for both the initiation of the design and the verification of the effectiveness of the implemented interventions is the measurement instrumentation, which includes high-precision sound level meters, dodecahedral and directional sources, noise generators, and impact noise machines. All the...