In basic two important factors exist about material and structure component to provide comfort for acoustic aspect in closed areas where human beings lived in. The first one of these is echoing of sound or echo, the other one is sound transmission or opposite of this one sound insulation.

The sound insulation specialty of insulation cover material styronit which has a fiber and natural porous, mineral aggregate structure actualizes according to a part of sound energy reflection which crashes materials surface and the other part of sound energy which passes through surface in pores and fiber structure’s surfaces in constitution transformation to heat energy because of gumminess.

Covering material styronit has 19 db sound absorption value in 500 Hz sound frequency value. This value symbolizes that covering material styronit is an important acoustic comfort structure component.

In higher sound frequency values of styronit, it is determined that sound absorption values present better sound insulation specialty in higher and above 500 Hz sound levels.