In a situation where there can be leaks around a door, through which sound can pass, there will be reduced sound attenuation. Therefore, not only does the fabrication period of ISTIQ Acoustic Door is carried out in great care, but also the installation process is meticulously done to ensure high performance and quality. The importance of good sealing method can never be underestimated. A door with a reduction factor of 40dB with a leakage factor of only 1% will have a true reduction of 20dB.
In a situation where there can be leaks around a door, through which sound can pass, there will be reduced sound attenuation. |