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

AKUSTIbohr micro Acoustic Panel

Name: AKUSTIbohr micro Acoustic Panel
Brand: BVS Akustik

AKUSTIbohr micro

WallCeiling

Description

AKUSTIbohr micro is a micro-drilled acoustic panel from BVS that removes the trade-off between appearance and acoustic performance. It is produced from a wide range of carrier boards with veneers, an extensive selection of lacquers, decors and coatings in concrete, stone or rust looks, so wood grain and surfaces keep their natural expressiveness. The holes are drilled without visible edges and are practically invisible: the standard diameter is 1 mm, with 1.5, 2 and 2.5 mm also available, alongside grids of 4, 4.8, 6 and 8 mm and a staggered 6/3 mm grid. The panel can be perforated over the full surface or with unperforated edge margins, cuts and cut-outs are possible directly on site, and the maximum dimensions are 4080 mm length, 2100 mm width and 21 mm thickness. The smooth, micro-perforated surface reduces the risk of injury and avoids visual irritation; together with the certified ball-impact resistance it can also be used close to floor level. Acoustically, AKUSTIbohr micro only works through the interplay of perforation and the depth of the build-up behind it: the hole pattern and the distance to the wall or ceiling behind determine in which frequency range sound is converted into heat. Sound absorption is measured 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 weighted single-number rating, because only its shape shows how the panel actually performs at low, mid and high frequencies.

Technical data

Material: Carrier boards of choice with veneers, lacquers, decors and coatings in concrete, stone or rust looks

Up to fire class: B1 and B2 per DIN 4102 / DIN EN 13501-1

Application: Wall and ceiling cladding in interior fit-out, including sports halls and public buildings

Measurement data

Sound absorption

Reverberation chamber (ASTM C423 / ISO 354)· 27 variants

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NRC

0.90

Frequency values

α_p per octave band

f (Hz)	125	250	500	1k	2k	4k
α_p	0.80	1.00	1.00	0.90	0.80	0.60

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Compare		Value
	h=7.9 in · 5.9 in air gap	NRC0.90
	h=2.8 in · 0.9 in air gap	NRC0.85

Test report: 1502-001-14

NRC: 0.90 (derived from ISO 354 lab data)

Institute: SG-Bauakustik, Institute for Acoustic Product Optimisation

Measurement date: 2014-06-16

Perforation: 1-3/4/4/P

Measured values as a table (27 measurements)

AKUSTIbohr micro Acoustic Panel: 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
1-3/4,8/4,8/P · 3,41 % · h=50 mm · no air gap	0.75	0.17	0.28	0.30	0.49	0.69	0.76	0.98	1.06	1.01	0.88	0.82	0.65	0.56	0.46	0.46	0.43	0.41	0.41
1-3/4,8/4,8/P · h=70 mm · 22 mm air gap	0.75	0.30	0.37	0.49	0.57	0.88	1.01	1.03	0.94	0.88	0.76	0.68	0.63	0.59	0.50	0.51	0.51	0.46	0.45
1-3/4,8/4,8/P · h=200 mm · 151 mm air gap	0.80	0.53	0.88	1.00	1.03	0.92	0.90	0.89	0.81	0.77	0.74	0.75	0.70	0.69	0.63	0.62	0.57	0.55	0.53
1-3/4/4/P · 4,91 % · h=50 mm · no air gap	0.80	0.16	0.25	0.29	0.39	0.61	0.77	0.83	1.03	1.05	1.01	0.98	0.78	0.72	0.56	0.55	0.54	0.50	0.45
1-3/4/4/P · h=70 mm · 22 mm air gap	0.85	0.22	0.33	0.37	0.46	0.77	0.82	1.02	1.04	1.05	0.99	0.93	0.76	0.75	0.67	0.66	0.60	0.59	0.55
1-3/4/4/P · h=200 mm · 151 mm air gap	0.90	0.58	0.87	0.92	1.02	1.03	1.05	1.05	1.00	0.93	0.91	0.90	0.92	0.88	0.76	0.70	0.63	0.58	0.55
1-3/6/3/V · 4,36 % · h=50 mm · no air gap	0.75	0.15	0.31	0.32	0.43	0.62	0.75	0.91	1.01	1.05	1.03	0.87	0.72	0.67	0.51	0.48	0.50	0.46	0.44
1-3/6/3/V · h=70 mm · 22 mm air gap	0.80	0.23	0.29	0.39	0.59	0.68	0.79	0.95	0.99	0.97	0.95	0.88	0.68	0.65	0.60	0.55	0.57	0.46	0.46
1-3/6/3/V · h=200 mm · 151 mm air gap	0.85	0.50	0.71	0.92	1.03	1.04	1.01	0.95	0.89	0.87	0.81	0.79	0.80	0.79	0.77	0.66	0.61	0.51	0.47
1-3/6/6/P · 2,18 % · h=50 mm · no air gap	0.70	0.16	0.33	0.41	0.48	0.72	0.96	1.03	1.01	0.87	0.71	0.63	0.49	0.39	0.34	0.33	0.34	0.33	0.36
1-3/6/6/P · h=70 mm · 22 mm air gap	0.70	0.27	0.36	0.49	0.61	0.92	1.04	0.97	0.95	0.81	0.72	0.56	0.47	0.39	0.38	0.37	0.38	0.38	0.39
1-3/6/6/P · h=200 mm · 151 mm air gap	0.70	0.45	0.88	0.93	0.92	0.86	0.79	0.79	0.75	0.66	0.59	0.59	0.57	0.55	0.53	0.53	0.49	0.44	0.43
1-3/8/8/P · 1,23 % · h=50 mm · no air gap	0.60	0.15	0.28	0.36	0.53	0.80	0.91	0.96	0.86	0.67	0.51	0.47	0.36	0.31	0.32	0.31	0.33	0.31	0.36
1-3/8/8/P · h=70 mm · 22 mm air gap	0.65	0.33	0.43	0.48	0.74	0.94	0.89	0.83	0.76	0.66	0.50	0.46	0.38	0.35	0.36	0.33	0.34	0.36	0.38
1-3/8/8/P · h=200 mm · 151 mm air gap	0.60	0.51	0.87	0.91	0.86	0.85	0.73	0.74	0.61	0.53	0.51	0.49	0.49	0.43	0.42	0.39	0.38	0.37	0.39
2-3/6/6/P · h=100 mm · 52 mm air gap	0.85	0.21	0.24	0.54	0.70	0.71	0.86	0.92	0.98	0.99	0.97	0.92	0.85	0.82	0.82	0.83	0.80	0.81	0.87
2-3/6/6/P · h=200 mm · 152 mm air gap	0.80	0.40	0.36	0.82	0.90	0.83	0.90	0.83	0.86	0.86	0.80	0.76	0.86	0.84	0.81	0.80	0.76	0.71	0.65
2-3/6/6/P · h=300 mm · 252 mm air gap	0.80	0.59	0.49	0.82	0.80	0.79	0.82	0.81	0.80	0.80	0.84	0.87	0.83	0.85	0.83	0.78	0.73	0.72	0.65
2-3/8/8/P · h=100 mm · 52 mm air gap	0.65	0.24	0.25	0.61	0.70	0.62	0.77	0.77	0.72	0.78	0.73	0.71	0.65	0.60	0.59	0.63	0.61	0.63	0.68
2-3/8/8/P · h=200 mm · 152 mm air gap	0.65	0.37	0.33	0.66	0.67	0.69	0.69	0.66	0.65	0.66	0.61	0.59	0.64	0.62	0.60	0.57	0.54	0.54	0.51
2-3/8/8/P · h=300 mm · 252 mm air gap	0.65	0.46	0.40	0.67	0.66	0.61	0.65	0.68	0.63	0.62	0.64	0.68	0.64	0.62	0.60	0.58	0.54	0.53	0.48
2-3/6/6/P (without fleece) · h=50 mm · with 30 mm insulation	0.70	0.13	0.14	0.25	0.33	0.50	0.62	0.80	0.92	1.06	1.13	0.95	0.68	0.54	0.43	0.39	0.39	0.45	0.62
2-3/6/6/P (without fleece) · h=70 mm · with 30 mm insulation	0.65	0.17	0.16	0.29	0.39	0.57	0.68	0.95	1.02	1.00	0.87	0.66	0.51	0.44	0.39	0.44	0.50	0.56	0.64
2-3/6/6/P (without fleece) · h=200 mm · with 30 mm insulation	0.65	0.29	0.30	0.56	0.77	0.83	0.73	0.72	0.66	0.56	0.47	0.57	0.63	0.56	0.54	0.48	0.49	0.52	0.61
2-3/8/8/P (without fleece) · h=50 mm · with 30 mm insulation	0.60	0.17	0.16	0.29	0.39	0.51	0.64	0.90	1.03	1.07	0.89	0.62	0.41	0.34	0.28	0.27	0.27	0.33	0.47
2-3/8/8/P (without fleece) · h=70 mm · with 30 mm insulation	0.60	0.19	0.18	0.33	0.42	0.65	0.82	1.09	1.07	0.82	0.60	0.45	0.34	0.29	0.27	0.30	0.33	0.39	0.47
2-3/8/8/P (without fleece) · h=200 mm · with 30 mm insulation	0.50	0.29	0.26	0.64	0.89	0.77	0.62	0.64	0.50	0.41	0.33	0.41	0.40	0.35	0.33	0.30	0.32	0.34	0.42