Acoustic-solution

Acoustic Wall
& Ceiling Panels

In acoustic applications, use both ordinary PAROC insulated panels and perforated PAROC® acoustic panels. PAROC acoustic panels have a perforated facing on one side to provide better sound absorption. It can be used for partition walls and ceilings in normal dry internal climatic conditions. Note that when PAROC® acoustic panels are employed as ceilings, the perforated surface is always on the lower side.

Weighted sound reduction at various noise spectra - AST® S

Panel thickness, mm Sound reduction, dB
 Rw R'w + C   R'w + Ctr
50 *AST E 31 28 28
80 30 27 25
100 30 27 25
120 30 27 25
150 30 27 25
200 29 28 26
240 29 28 26

Use R’w+ C for

Use R’w+ Ctr for

  • Train noise at high and medium speeds
  • Road traffic over 80 km/h
  • Jet noise at short distances
  • Industrial noise (medium and high frequency)
  • Street traffic noise
  • Train noise at low speeds
  • Jet noise at long distances
  • Industrial noise (low and medium frequency)

Sound absorption

Paroc_Practical_sound_absorption_coefficient

Practical sound absorption coefficient

In Standard execution Paroc Panels have a steel sheet facing. Thus the sound absorption acts like a reflecting surface. Paroc acoustic panels have a perforated facing on one surdace which improves the panel's sound absorption properties. It can be used in normal dry interal climatic conditions

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