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 CLOUD Acoustic Ceiling Sail
SilentROOT CLOUD is the free-hanging ceiling sail based on the SilentROOT TORF acoustic panel. It is used where the structural ceiling stays visible or service runs need to remain accessible, while speech clarity is required — conference rooms, office zones, foyers, hospitality. Available in four thicknesses (20 / 30 / 40 / 50 mm) — the same material platform as SilentROOT. Maximum format 1.2 × 2.4 m, individual sizes from the first panel, freeform cutting and printing available. Acoustic values are identical to SilentROOT: αw between 0.50 and 1.00 depending on suspension height. The underlying measurements were carried out by Akustikverkstan Sweden in an accredited reverberation room per DIN EN ISO 354 + ISO 11654.
ISO 354 – reverberation chamber· 23 variants
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αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 200 mm distance to the ceiling | αw0.90 | |
| 400 mm distance to the ceiling | αw0.85 | |
| 700 mm distance to the ceiling | αw0.80 | |
| 100 mm distance to the ceiling | αw0.75 | |
| 50 mm distance to the ceiling | αw0.55 | |
| Directly under the ceiling (0 mm distance) | 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
