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

Claim 3:
4. The sound insulation structure for a building according to claim 3, wherein
the first face material has a first inner surface facing a hollow portion side,
the second face material has a second inner surface facing the hollow portion side and opposed to the first inner surface with the hollow portion interposed therebetween, and
the partition wall further includes a first vertical material extending in the vertical direction and fixed to the first inner surface, and a second vertical material extending in the vertical direction and fixed to the second inner surface, the first vertical material and the second vertical material being arranged in a zigzag manner along a wall surface direction of the partition wall,
the sound insulation structure for a building further comprising at least one face material out of a first wall-side sound insulation face material stuck to a part of the first inner surface so as to overlap the second vertical material in a front view of the first face material and having a coincidence frequency different from that of the first face material, and a second wall-side sound insulation face material stuck to a part of the second inner surface so as to overlap the first vertical material in a front view of the second face material and having a coincidence frequency different from that of the second face material.