Heradesign Macro
Heradesign Macro
NRC 0.60–0.80
CeilingWall
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Description
Magnesite-bonded wood wool acoustic panel with a coarse, pronounced wool texture (Heradesign family, Knauf Ceiling Solutions). Exposed ceiling and wall lining; also available as a Plus package 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)· 6 variants
NRC
0.80
Frequency values
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| Compare | Value | |||
|---|---|---|---|---|
| 0.98 in | System height 2.2 in | mineral-wool layer 0.98 in | NRC0.80 | |
| 2 in | mounted directly | Akustikauflage 0.98 in (werkseitig) | NRC0.80 | |
| 0.98 in | System height 7.9 in | mineral-wool layer 0.98 in | NRC0.75 | |
| 2 in | System height 7.9 in | Akustikauflage 0.98 in (werkseitig) | NRC0.75 | |
| 0.98 in | System height 2.2 in | — | NRC0.65 | |
| 0.98 in | System height 7.9 in | — | NRC0.60 |
NRC: 0.80 (approximated from ISO 354 octave-band data)
Absorber: mineral-wool layer 0.98 in
Measured values as a table (6 measurements)
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