MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 161
Value from the PTB table, not verified
Hunter Douglas Luxalon 70 U sports hall ceiling
Sports hall ceiling – Luxalon 70 U
PTB reference data
Original description
Hunter Douglas Luxalon 70 U sports hall ceiling
Material properties
Manufacturer: Hunter Douglas
Thickness: 0.8 mm
Wall distance: 200 mm
Density: 55 kg/m³
Backing: 25 mm mineral wool
Surface: stove-enameled
Up to fire class: non-combustible
Application: sports hall ceiling
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.65
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.75 | 0.80 | 0.80 | 0.75 | 0.60 | 0.50 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 200 mm · Deckenpaneele · ungelocht | 0.65 | 0.63 | 0.87 | 0.77 | 0.76 | 0.87 | 0.83 | 0.68 | 0.80 | 0.87 | 0.81 | 0.76 | 0.71 | 0.68 | 0.60 | 0.58 | 0.55 | 0.40 | 0.52 |
Measured values as a table (1 measurement)
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