Highly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Structural roof deck
Tectum I
PTB reference data
Original description
Structural roof deck
Material properties
Manufacturer: Tectum
Thickness: 1 1/2 inch, 2 inch, 2 1/2 inch, 3 inch
Wall distance: 0 mm
Application: roof
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 4 variants
αw
0.72
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.40 | 1.00 | 0.75 | 1.00 | 0.95 |
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| Compare | Value | ||
|---|---|---|---|
| 3 inches | 5.3 lb/ft² | αw0.72 | |
| 2 1/2 inches | 4.5 lb/ft² | αw0.62 | |
| 2 inches | 3.5 lb/ft² | αw0.59 | |
| 1 1/2 inch | 2.4 lb/ft² | αw0.53 |
Dimensions: 48 x 96 inches
Distance: 0