SilentFiber offers a broad portfolio of sustainable acoustic elements made from natural fibres. The product family ranges from the peat-based SilentROOT acoustic panel through the hemp-based SilentHEMP line to specialty products such as SilentSPA (wet room), SilentMOSS (moss picture) and SilentBEE (hexagon). Owner Dipl. Ing. Robert Schwemmer operates as a brand owner with selected European manufacturing partners. Custom formats and individual cutting are available from the first panel onward (max. 1.2 × 2.4 m). Awards: Green Product Award 2022, Klimaschutzpreis (Climate Protection Prize), Austrian Bauherrenpreis, Green Product Award Finalist 2026.
WebsiteSilentROOT TORF Acoustic Panel
SilentROOT TORF Acoustic Panel is a sustainable wall and ceiling panel made from surface peat. Available in four thicknesses (20 / 30 / 40 / 50 mm) and several standard formats — 594 × 594 mm (Square), 1194 × 594 mm (Rect) and 1500 × 594 mm (Wave) at 20 mm, Ceiling Sail 1200 × 1800 mm at 40 mm; all thicknesses also available as custom format up to 2400 × 1200 mm, with freeform cutting and printing. Acoustically, the line covers the entire DIN EN ISO 11654 absorption-class range: αw 0.50–0.85 (Class D to B) when mounted directly, and up to αw 1.00 (Class A) with a 50–700 mm rear ventilation gap. The mounting configurations are documented in accredited ISO 354 test reports issued by Akustikverkstan Sweden.
ISO 354 – reverberation chamber· 23 variants
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αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 200 mm air gap | αw0.90 | |
| 400 mm air gap | αw0.85 | |
| 700 mm air gap | αw0.80 | |
| 100 mm air gap | αw0.75 | |
| 50 mm air gap | αw0.55 | |
| 0 mm (directly on rigid backing) | αw0.50 |
Absorber class: A
Test report: 17-202-M4
Institute: Akustikverkstan Sweden (accreditation no. 10126, ISO/IEC 17025)
Measurement date: 2017-08-17
Room volume: 200 m³
Object area: 10 m²
