Patent ID: 11933041
Assignee: SEKISUI HOUSE, LTD.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 6:
7. The sound insulation structure for a building according to claim 1, wherein
the partition wall includes:
a first face material extending in the vertical direction;
a second face material extending in the vertical direction and disposed with a hollow portion interposed between the first face material and the second face material in the horizontal direction;
a first vertical material extending in the vertical direction and fixed to a first inner surface of the first face material, the first inner surface facing a hollow portion side;
a second vertical material extending in the vertical direction and fixed to a second inner surface of the second face material, the second inner surface facing the hollow portion side; and
a positioning member that positions the first vertical material and the second vertical material, wherein:
the first face material and the second face material being disposed so as to have a lower end surface abutting on the floor material and have a gap formed between an upper end surface and the ceiling material;
the sound insulation structure for a building comprising at least the ceiling-side sound insulation face material out of the floor-side sound insulation face material and the ceiling-side sound insulation face material, and
the ceiling-side sound insulation face material is thicker than the gap, is disposed on the ceiling material so as to block the gap from the hollow portion side, and includes a surface facing to the hollow portion and having a surface density higher than that of a surface facing to the hollow portion of the positioning member.