WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
1 1/2 inch Tectum over 1 inch layer of 3 pcf fiberglass
panel
PTB reference data
Original description
1 1/2 inch Tectum over 1 inch layer of 3 pcf fiberglass
Material properties
Manufacturer: Tectum
Thickness: 2 1/2 inch
Wall distance: 40 mm
Backing: 1 inch layer of 3 pcf fiberglass
Surface: perforated facing
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.78
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.55 | 1.15 | 0.85 | 0.95 | 0.85 |
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Method (354): Measured