Heradesign Fine
Heradesign Fine
NRC 0.50–0.90
CeilingWall
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Description
Magnesite-bonded wood wool acoustic panel with the classic Heradesign wool texture (Knauf Ceiling Solutions). Exposed ceiling and wall lining in commercial construction. Versions: standard, non-combustible (A2), Alpha+ composite panel with an integrated mineral wool layer, and Plus with a factory-laminated acoustic backing.
Technical data
Material: Wood wool, magnesite-bonded
Fire class (EN 13501-1): B-s1,d0
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 20 variants
NRC
0.90
Frequency values
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| Compare | Value | ||||
|---|---|---|---|---|---|
| 0.98 in | System height 7.9 in | Standard | mineral-wool layer 0.98 in | NRC0.90 | |
| 0.98 in | System height 2.2 in | Standard | mineral-wool layer 0.98 in | NRC0.85 | |
| 0.98 in | System height 7.9 in | A2 | mineral-wool layer 0.98 in | NRC0.85 | |
| 2 in | System height 8.9 in | Plus | Akustikauflage 0.98 in (werkseitig) | NRC0.85 | |
| 2.6 in | System height 8.9 in | Plus | Akustikauflage 1.6 in (werkseitig) | NRC0.85 | |
| 0.98 in | System height 2.2 in | A2 | mineral-wool layer 0.98 in | NRC0.80 | |
| 1.4 in | System height 7.9 in | Alpha+ | — | NRC0.80 | |
| 1.6 in | System height 8.9 in | Plus | Akustikauflage 0.98 in (werkseitig) | NRC0.80 | |
| 0.59 in | System height 7.9 in | Alpha+ | — | NRC0.75 | |
| 0.98 in | System height 7.9 in | Alpha+ | — | NRC0.75 | |
| 1.4 in | System height 2.6 in | Alpha+ | — | NRC0.75 | |
| 0.98 in | System height 7.9 in | Standard | — | NRC0.70 | |
| 0.59 in | System height 3.9 in | Alpha+ | — | NRC0.70 | |
| 0.98 in | System height 2.2 in | Alpha+ | — | NRC0.70 | |
| 0.98 in | System height 7.9 in | A2 | — | NRC0.65 | |
| 0.59 in | System height 1.8 in | Alpha+ | — | NRC0.60 | |
| 1.4 in | mounted directly | Alpha+ | — | NRC0.60 | |
| 0.98 in | mounted directly | Standard | — | NRC0.55 | |
| 0.98 in | mounted directly | A2 | — | NRC0.50 | |
| 0.98 in | mounted directly | Alpha+ | — | NRC0.50 |
NRC: 0.90 (approximated from ISO 354 octave-band data)
Test setup: Standard
Absorber: mineral-wool layer 0.98 in
Measured values as a table (20 measurements)
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