Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Value from the PTB table, not verified
Tectum Classic Ultimate Nubby lay-in board
Classic
PTB reference data
Original description
Tectum Classic Ultimate Nubby lay-in board
Material properties
Manufacturer: Tectum
Thickness: 1 3/8 inch
Wall distance: 16 in
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.80
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.45 | 0.70 | 1.00 | 1.00 | 1.00 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Value from the PTB table, not verified
NRC: 0.80 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 1 3/8 inch · 0.34 lb/ft² · 400 mm | 0.80 | 0.21 | 0.47 | 0.68 | 1.03 | 1.09 | 1.06 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated:
