• Sound Absorbing01
  • Sound Absorbing02
  • Sound Absorbing03
  • Sound Absorbing01
  • Sound Absorbing02
  • Sound Absorbing03

Sound Absorbing

ACOUSTA-WAL® sound-absorbing masonry units are your acoustical and aesthetic solution in one product.

Whether it’s a school gym, lecture hall or performance arts center, ACOUSTA-WAL is your indoor/outdoor solution to sound absorption and control.

Its unique design controls sound transmission as it absorbs sound waves. ACOUSTA-WAL absorbs sound at all frequencies … even the difficult-to-control low frequencies.

Sound Absorbing Block Information

  •  ACOUSTA-WAL® Noise Reduction Coefficients

    Size
    Type
    Surface
    Frequency — Hertz
    NRC*
    125
    250
    500
    1000
    2000
    4000
    4"
    I
    Painted
    .18
    .82
    .40
    .35
    .43
    .36
    .50
    6"
    I
    Painted
    .63
    .80
    .41
    .40
    .31
    .51
    .50
    4"
    IV
    Painted
    .21
    .78
    .97
    .80
    .68
    .73
    .80
    6"
    IV
    Painted
    .31
    1.23
    .71
    .71
    .65
    .68
    .85
    8"
    IVRF
    Painted
    .21
    .78
    .97
    .80
    .68
    .73
    .80
    10"
    IVRF
    Painted
    .21
    .78
    .97
    .80
    .68
    .73
    .80
    12"
    IVRF
    Painted
    .31
    1.23
    .71
    .71
    .65
    .68
    .85

    * NRC – the approximate percentage of sound absorbed.