Overall housing density on the surface of the reinforced fiber cement plate with good sound insulation function and connection of concave and convex chamfer and internal wall body material has good sound absorption and sound insulation function. After the examination, 100 mm thick wall of the volume of 46 db, much higher than other brick wall sound insulation effect, conform to the requirements of the national residential sound insulation.

Wall decoration on the surface of the medium density fiber cement plate with good sound insulation function and connection of concave and convex chamfer and internal wall body material has good sound absorption and sound insulation function. After the examination, 100 mm thick wall of the volume of 46 db, much higher than other brick wall sound insulation effect, conform to the requirements of the national residential sound insulation.