FIELD: construction industry, specifically, erection of internal partitions. SUBSTANCE: partition of prefabricated structure has two insulation walls 1, 2 of different thickness separated by space in which cellular structure 3, 103 carrying protrusions 7, 107 and forming separate cells 8, 9, 108, 109 is positioned. Each protrusion includes walls and extremity. Cellular structure 3, 103 is attached to both insulation walls 1, 2 on tops of protrusions. Insulation walls has no holes and walls of each individual cell are not parallel one another. EFFECT: improved sound and acoustic insulation properties of such structure. 8 cl, 6 dwg
