SOUND INSULATION STRUCTURE OF DOUBLE FLOOR AND/OR DOUBLE CEILING

摘要

PROBLEM TO BE SOLVED: To prevent sound from being propagated to another room through an under floor space part of a double floor and/or an upper ceiling space part of a double ceiling. SOLUTION: In the double floor 1 formed by disposing a floor material 12 on a floor slab 11 at a space between them, and/or the double ceiling formed by disposing a ceiling material on a ceiling slab at a space between them, a sound insulation wall 7 is provided between the floor slab and the floor material and/or between the ceiling slab and the ceiling material.