Manufacturer
BK Raumakustik
BK Raumakustik (Böcking Kemmerling Raumakustik GmbH) plans and delivers bespoke room-acoustic solutions made from the aPerf® material: from consulting through development to turnkey installation. Head office in Neuss, Rhine/Main branch in Frankfurt. aPerf® is a sound-absorbing nonwoven made of 100 % polyester (partly recycled PET bottles), thermally and mechanically bonded without chemical binders. The material is self-supporting and can be used without a frame, is dyed throughout, ball-impact-safe per DIN 18032, OEKO-TEX Standard 100 certified and fully recyclable. Manufactured in Germany and Switzerland. From the aPerf® materials BK Raumakustik builds wall panels, ceiling rafts, desk dividers, broadband and bass absorbers, acoustic prints and industrial hall acoustics. Member of the DGNB.
WebsiteaPerf® mat
aPerf mat
Description
The new, lightweight acoustic mat of the aPerf® family (since 06/2026, not to be confused with the former 'aPerf mat', now called aPerf pad): a self-supporting polyester nonwoven in four thicknesses from 20 to 50 mm. For flat wall and ceiling absorption and as a backing. Mounted directly it reaches αw 0.50 (20 mm) up to 0.85 (50 mm); emission-free and fully recyclable.
Technical data
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 4 variants
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Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.25 | 0.45 | 0.60 | 0.75 | 0.80 |
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Absorber class: D
Weight / density: 600 g/m²