| 摘要 |
PURPOSE: A floor impact insulation material for an apartment building using a damping mat is provided to reduce a noise transmission between floors of the apartment building resulting from floor vibration. CONSTITUTION: A floor impact insulation material for an apartment building comprises a damping mat and an aluminum film. The damping mat is made up of a polyethylene board and rubber asphalt compound layers. The polyethylene board is formed of a polyethylene resin and functions as a central base material. The rubber asphalt compound layers are laminated on the top and bottom surfaces of the polyethylene board. The aluminum film is laminated on the upper and lower part rubber asphalt compound layers of the damping mat. |
