MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Epic Metals Corp. ESC2SSA perforated steel roof deck with fiberglass
ESC2SSA
PTB reference data
Original description
Epic Metals Corp. ESC2SSA perforated steel roof deck with fiberglass
Material properties
Manufacturer: Epic Metals Corp.
Thickness: 2 inches
Wall distance: 0 mm
Backing: fiberglass
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.97
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.95 | 1.00 | 1.00 | 1.10 | 0.95 | 0.80 |
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Method (354): Measured