Whether the wall needs to do sound insulation treatment, according to the building quality or decoration of sound insulation materials. Generally speaking, the building quality of commercial housing is better, sound insulation material effect is also better; And economy is applicable room especially the house that old house transforms to move back, building quality is uneven. The load-bearing wall of general civilian house USES the structure of steel dish concrete or solid brick, have better sound insulation effect, the problem gives the light hollow brick that USES in partition wall or ash tape board more.

The sound insulation quantity of the wall is concerned with its thickness and surface treatment, and there are two specific solutions. One is to tear down the original wall and rebuild an acoustic wall. It works well to have two sides of greyboard and fill them with fiberglass. The other is to retain the original walls and add some soundproof panels. New add a few columns, constitute a plug in the middle of the fiberoptic sound wall.

The simple method is to apply a layer of cement evenly on both sides of the brick wall, and to increase its surface density is an effective and economical method to increase the sound insulation quantity. If be light weight wall, also can add a low density plasterboard or cement fiber to add pressure board to separate wall in its inside, in order to improve its sound insulation ability.