Sound insulation Characteristic floor foundation lamination ones

摘要

PURPOSE: To enhance the soundproof quality of a laminated floor setting bed having a floating floor. ;CONSTITUTION: There is provided a laminated floor setting bed between a floor foundation 1 and a floor finishing material 5. This laminated bed is constituted of a cushion material 2, a porous material 3 and a sound insulation panel 4, counted from the bottom layer thereof. The sound insulation panel 4 has many slits 6 so drilled through a board as to be dispersed throughout. Or, a parallel pasted board 4b comprising veneers pasted to each other with a wood fiber kept in the same direction, is pasted to a panel 4a comprising a board having many slits 6 so drilled as to be dispersed throughout, in parallel via slits 7 formed in a direction orthogonal with a wood fiber direction.;COPYRIGHT: (C)1993,JPO&Japio