WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
1 inch Tectum over 2 1/2 inch OCF noise barrier batt
panel
PTB reference data
Original description
1 inch Tectum over 2 1/2 inch OCF noise barrier batt
Material properties
Manufacturer: Tectum
Thickness: 3 1/2 inch
Wall distance: 40 mm
Backing: 2 1/2 inch OCF noise barrier batt
Surface: perforated facing
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.79
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.70 | 1.10 | 0.95 | 0.75 | 0.95 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured