Whisperwool adhesive panel
Adhesive panel
αw 0.35Absorber class D
Manufacturer

Whisperwool
Tante Lotte Design GmbH from Innsbruck manufactures sound absorbers made of sheep wool under the Whisperwool brand. The material consists of virgin sheep wool, mostly from Tyrol and the rest of the Alpine region, recycled wool and recycled Whisperwool residues, bonded with a biodegradable binding fibre. The base board has a two-layer structure: a top layer of colour-sorted sheep wool over a hard, air-permeable core. It is the basis for acoustic boards for wall and ceiling, ceiling rafts, wall, window, hanging, floor-standing and desk panels, baffles, room dividers, acoustic curtains, self-adhesive panels and acoustic wallpapers. Standard colours are natural white, silver grey and anthracite; custom dyeing, embossing and cutting to size are possible. Production takes place in Austria. Tante Lotte is a certified Common Good company.
Test report on request
Description
The adhesive panels are the frameless version of the wall panels. They can be arranged individually or in groups like pictures. Four versions: OBLONG, GRID, SCHINDELE and MOSS.
Technical data
Measurement data
Sound absorption
ISO 354 – reverberation chamber
Frequency values
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Method (354): Analytically calculated
Measurement date (354): 10/08/2016
Test report: P-1430-2016/08-1
Measured values as a table (1 measurement)
| Build-up | αw | Absorber class | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12 mm base panel · bonded over the full surface, without cavity · Wollfilz | 0.35 | D | 0.07 | 0.05 | 0.03 | 0.10 | 0.10 | 0.14 | 0.22 | 0.28 | 0.38 | 0.49 | 0.57 | 0.68 | 0.76 | 0.80 | 0.87 | 0.93 | 0.89 | 0.86 |
Measured values as a table (1 measurement)
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