Home to do light steel keel partition sound insulation, dare not use glass wool, with sponge or benzene as a filler for what kind of noise, good environmental protection
Benzene board and extruded board can be, are more suitable for home improvement. I do with the noise is extruded board than the benzene board sound insulation is also very good environmental protection
Are environmentally friendly materials, the state provides the use of materials, but the high cost. There I do not know, I was in Hebei, are generally in our side of the transfer of goods in the past with.
Home with several levels? You can use benzene board, in a good extrusion, in the good is the polyurethane and phenolic, the cost will be high. Phenolic is nonflammable. Benzene and extruded can not reach fire
