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.
WebsiteLinePerf
The linear acoustic design absorber: a high-absorption aPerf® carrier board (19 mm, black) with a 2 mm real oak veneer in natural oak and a milled groove/web profile. The warm slat look for walls and ceilings, from the meeting room to the home cinema. In three profile widths; as a 50 mm overall build-up it works broadband, and with a backing bass insert (type 306) up to the highest absorption class A. Custom production in further aPerf® base colours and decors, in 19 or 25 mm.
ISO 354 – reverberation chamber· 9 variants
Choose thickness
αp per ISO 11654
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | |
|---|---|---|
| Overall build-up 50 mm + bass insert type 306 | αw1.00 | |
| Overall build-up 80 mm + bass insert type 612 | αw1.00 | |
| Overall build-up 50 mm | αw0.55 |
Absorber class: A
Test report: B169516/02
Institute: Müller-BBM Building Solutions GmbH
Measurement date: 2024-01-18
