INTERLAYER SOUND INSULATION MATERIAL

摘要

Disclosed is an interlayer sound insulation material for construction. According to an embodiment of the present invention, the interlayer sound insulation material for construction comprises: a polyester fiber layer; a first reinforcement layer adhering to an upper surface of the polyester fiber layer; a second reinforcement layer adhering to a bottom surface of the polyester fiber layer; and a foam strip rubber layer formed at a bottom surface of the second reinforcement layer, wherein the foam strip rubber layer has a shape in which a plurality of foam rubbers in a strip shape is arranged at a predetermined interval apart from each other.