| abstract |
(57) [Summary] [PROBLEMS] To be free from volatile organic chemical substances as in the past, Accordingly, there is provided a soundproof floor lining material which does not adversely affect the human body and can maintain soundproof performance. SOLUTION: In a sound-insulating flooring material in which a cushioning material made of a fiber assembly and a sound-insulating floor backing material in which a hard substrate material is laminated are disposed below a floor surface material, the fiber assembly is made of fibers. A sound-insulating floor lining material in which materials are integrated and integrated by thermal fusion or mechanical entanglement means, and the substrate material is a ceramic plate. |