Heradesign Macro
Heradesign Macro
αw 0.55–0.70Absorber classes C, D
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
Up to fire class: B-s1,d0
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 6 variants
αw
0.70
Frequency values
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| Compare | Value | |||
|---|---|---|---|---|
| 25 mm | System height 55 mm | mineral-wool layer 25 mm | αw0.70 | |
| 25 mm | System height 200 mm | mineral-wool layer 25 mm | αw0.70 | |
| 50 mm | mounted directly | Akustikauflage 25 mm (werkseitig) | αw0.70 | |
| 50 mm | System height 200 mm | Akustikauflage 25 mm (werkseitig) | αw0.70 | |
| 25 mm | System height 55 mm | — | αw0.65 | |
| 25 mm | System height 200 mm | — | αw0.55 |
Absorber class: C
Absorber: mineral-wool layer 25 mm
Measured values as a table (6 measurements)
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