StoneHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Slotted concrete masonry block, with fiberglass in cavities, metal septa
Type RSC – Soundblox
PTB reference data
Original description
Slotted concrete masonry block, with fiberglass in cavities, metal septa
Material properties
Manufacturer: Proudfoot Co.
Thickness: 12 inches
Wall distance: 0 mm
Backing: fiberglass in cavities, metal septa
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.75
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.55 | 0.75 | 1.10 | 0.95 | 0.55 | 0.60 |
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Method (354): Measured