AKUSTItrenn Acoustic Partition

Name: AKUSTItrenn Acoustic Partition
Brand: BVS Akustik

AKUSTItrenn

NRC 0.45–0.75

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Manufacturer

BVS Akustik

BVS Akustik GmbH & Co. KG from Verl (East Westphalia) has been active in the furniture industry since 1990 and produces custom acoustic panels with CNC saws, purpose-built drilling lines and an in-house laser system. Almost all board materials are processed: solid wood, veneered, composite and decor boards, each cut, edge-finished and lacquered to the customer's specification. The range covers drilled (AKUSTIbohr), micro-perforated (AKUSTIpur), slotted (AKUSTIpan) and sound-absorbing partition elements (AKUSTItrenn), each in numerous hole patterns and build-up depths. The elements are available in fire classes B1 and B2 and, for sports halls, with certified ball-impact resistance. References include Princeton University, NYU and the Emser Therme.

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Documents

Brochure Processing guideline Datasheet (measurement results)Certificate (formaldehyde-free, NAF)FSC-Certificate (GFA-COC-005281, bis 30.06.2031)

Test report on request

Description

AKUSTItrenn is a partition and screen element from BVS, micro-perforated on both sides, made from a double-sided acoustic wood-fibre insulation board with an integrated insulation layer. The visually calm micro-perforation on both sides is produced with hole diameters of 0.04 in (standard) through 0.06 and 0.08 to 0.1 in as well as grids from 0.16 to 0.31 in and a staggered 0.24/0.12 in grid. The integrated insulation layer removes the need to build up multi-layer partitions by hand; direct edge banding produces high-quality components with predictable absorption values. The edge-free perforation allows precise cuts for demanding geometries and the integration of glazing, doors, switches and other components, while reinforced edge sections for fittings as well as cuts and cut-outs are possible directly on site. The entire panel build-up is bonded formaldehyde-free to the NAF standard and is therefore low in emissions. Elements are produced up to 119 in. in length and 51 in. in width with margin widths to order and are suited to fixed and mobile interior fit-out as well as exhibition construction. Acoustically, AKUSTItrenn works through the interplay of the micro-perforation on both sides with the wood-fibre insulation behind it, which damps the sound inside the element and keeps both sides of the room absorbent. The sound absorption coefficient is determined in the reverberation room per EN ISO 354 and rated per EN ISO 11654; for design work the full third-octave curve matters alongside the single-number rating. In addition, the sound insulation of the element is documented as the weighted sound reduction index Rw per EN ISO 10140-2, so the component addresses both the reverberation time in the room and sound transmission between the separated areas.

Technical data

Material: Double-sided acoustic wood-fibre insulation board with an integrated insulation layer; bonded formaldehyde-free to the NAF standard, low in emissions

Fire class (EN 13501-1): B2 per DIN 4102 / DIN EN 13501-1

Application: Room division in offices, fixed and mobile interior fit-out, exhibition construction

Measurement data

Sound absorption

Reverberation chamber (ASTM C423 / ISO 354)· 10 variants

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NRC

0.75

Frequency values

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Compare		Value
	h=2 in · without insulation	NRC0.75
	Free-standing screen · effective on both sides	—

Test report: 1502-002-14

NRC: 0.75 (derived from ISO 354 lab data)

Institute: SG-Bauakustik, Institute for Acoustic Product Optimisation

Measurement date: 06/18/2014

Perforation: 1/4/4/P · 4.91 %

Measured values as a table (10 measurements)

AKUSTItrenn Acoustic Partition: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-up	NRC	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
1/4/4/P · 4.91 % · h=2 in · without insulation	0.75	0.30	0.31	0.35	0.36	0.44	0.51	0.56	0.69	0.73	0.76	0.81	0.89	0.90	0.97	1.01	0.91	0.84	0.86
1/4/4/P · 4.91 % · Free-standing screen · effective on both sides	–	0.23	0.26	0.28	0.35	0.40	0.43	0.54	0.59	0.62	0.64	0.69	0.80	0.88	0.95	0.93	0.88	0.82	0.80
1/4.8/4.8/P · 2.76 % · h=2 in · without insulation	0.60	0.23	0.27	0.29	0.32	0.40	0.46	0.50	0.52	0.59	0.60	0.68	0.73	0.88	0.86	0.86	0.81	0.74	0.76
1/4.8/4.8/P · 2.76 % · Free-standing screen · effective on both sides	–	0.15	0.21	0.26	0.27	0.31	0.34	0.45	0.47	0.52	0.53	0.56	0.58	0.72	0.79	0.77	0.76	0.71	0.69
1/6/3/V · 3.76 % · h=2 in · without insulation	0.70	0.25	0.26	0.30	0.38	0.40	0.41	0.51	0.60	0.71	0.72	0.77	0.87	0.96	0.98	0.92	0.85	0.81	0.83
1/6/3/V · 3.76 % · Free-standing screen · effective on both sides	–	0.15	0.21	0.28	0.29	0.35	0.39	0.48	0.54	0.57	0.59	0.71	0.73	0.82	0.89	0.88	0.85	0.80	0.76
1/6/6/P · 1.92 % · h=2 in · without insulation	0.55	0.17	0.24	0.31	0.34	0.41	0.44	0.48	0.51	0.54	0.53	0.58	0.60	0.71	0.73	0.68	0.65	0.63	0.67
1/6/6/P · 1.92 % · Free-standing screen · effective on both sides	–	0.13	0.18	0.19	0.27	0.31	0.32	0.38	0.44	0.46	0.45	0.47	0.53	0.60	0.66	0.68	0.64	0.60	0.58
1/8/8/P · 1.23 % · h=2 in · without insulation	0.45	0.19	0.27	0.29	0.28	0.34	0.43	0.43	0.46	0.48	0.44	0.47	0.46	0.48	0.53	0.57	0.59	0.58	0.63
1/8/8/P · 1.23 % · Free-standing screen · effective on both sides	–	0.16	0.18	0.19	0.25	0.27	0.32	0.36	0.39	0.38	0.38	0.37	0.41	0.43	0.47	0.53	0.52	0.53	0.55

Measured values as a table (10 measurements)

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Last updated: 11/04/2026

Calculate reverberation time with this product

Building acoustics dataR_w 33 dB · 5 measurements

R_w

33 dB

Airborne sound insulation R_w· 5 variants

EN ISO 10140-2 / ISO 717-1

This test report provides only the single-number rating, no third-octave spectrum.

Airborne sound insulation Rw
Compare	Build-up	R_w
	Perforation 1/8 · 1.23 %	33dB
	Perforation 1/6 · 2.18 %	33dB
	Perforation 1/4.8 · 3.41 %	32dB
	Perforation 1/6/3V · 4.36 %	32dB
	Perforation 1/4 · 4.91 %	31dB

SG-Bauakustik, Institut für schalltechnische Produktoptimierung · 2014 · 1502-003-14Caveat from the test record