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 pad
The self-supporting acoustic mat for industrial and machine acoustics (formerly 'aPerf mat'). More robust and dimensionally stable than the soft aPerf® wool, it is suited to lining halls, machine enclosures, cavities and expanded-metal ceilings, emission-free and stable even under changing climate conditions. Available in a compact backing version (25 mm, black) and as a high-absorption thick-layer absorber (50 mm, white) up to the highest absorption class A.
ISO 354 – reverberation chamber· 3 variants
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αp per ISO 11654
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| Compare | Value |
|---|---|
| αw0.55 |
Absorber class: D
Weight / density: 1.250 g/m²
Distance: Direct (no gap)
