aPerf® mat
aPerf mat
αw 0.50–0.85Absorber classes B–D
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.
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
Choose thickness
Frequency values
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Absorber class: D
Weight / density: 600 g/m²
Distance: Direct (no gap)
Measured values as a table (4 measurements)
| Build-up | αw | Absorber class | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20 mm · 600 g/m² · Direct (no gap) | 0.50 | D | 0.07 | 0.11 | 0.13 | 0.20 | 0.24 | 0.30 | 0.39 | 0.49 | 0.53 | 0.57 | 0.62 | 0.67 | 0.68 | 0.76 | 0.79 | 0.82 | 0.81 | 0.84 |
| 30 mm · 900 g/m² · Direct (no gap) | 0.65 | C | 0.11 | 0.17 | 0.19 | 0.30 | 0.36 | 0.45 | 0.56 | 0.63 | 0.70 | 0.74 | 0.78 | 0.83 | 0.84 | 0.89 | 0.89 | 0.90 | 0.89 | 0.91 |
| 40 mm · 1,200 g/m² · Direct (no gap) | 0.75 | C | 0.14 | 0.21 | 0.25 | 0.37 | 0.46 | 0.55 | 0.67 | 0.74 | 0.82 | 0.86 | 0.88 | 0.91 | 0.92 | 0.94 | 0.93 | 0.96 | 0.94 | 0.96 |
| 50 mm · 1,500 g/m² · Direct (no gap) | 0.85 | B | 0.15 | 0.25 | 0.31 | 0.46 | 0.56 | 0.68 | 0.78 | 0.83 | 0.92 | 0.94 | 0.94 | 0.97 | 0.93 | 0.95 | 0.94 | 0.97 | 0.98 | 1.04 |
Measured values as a table (4 measurements)
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