Manufacturer

SONATECH GmbH + Co. KG

SONATECH is a southern German specialist for room acoustics and noise control, based in Ungerhausen (Bavaria). The company supplies acoustic solutions from a single source: consultancy, sound measurement, product and installation. The range spans the textile pure and pure+ ceiling and wall elements, the printable ConceptLine elements and QuietLine ceiling sails, Basotect and PUR foam absorbers, SkyLine acoustic columns and industrial solutions such as Cube, Baffel and MultiLane. The absorption values come from laboratory measurements based on the approach of DIN EN ISO 354. The materials are flame-retardant to DIN 4102 B1; for the Basotect foams, building-authority fire-protection test certificates are available.

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Documents

Fire protection Datasheet

SONATECH MultiLane

Name: SONATECH MultiLane
Brand: SONATECH GmbH + Co. KG

MultiLane

Ceiling

Description

MultiLane is a complete baffle-structure system for the sound-absorbing design of whole or partial ceiling segments. Thanks to its low overall height and the small substructure footprint, MultiLane is particularly suitable for concrete-core-activated climate ceilings.

Technical data

Material: melamine resin foam (Basotect), baffle structure

Up to fire class: DIN 4102 B1 (flame-retardant)

Certifications: building-authority test certificate, material class DIN 4102 B1 (Basotect)

Colours: Absorber light grey/white; substructure natural matt aluminium

Measurement data

Sound absorption

Reverberation chamber (ASTM C423 / ISO 354)

NRC

0.80

derived from ISO 354 lab data

Frequency values

α_p nach ISO 11654

f (Hz)	125	250	500	1k	2k	4k
α_p	0.35	0.65	0.65	0.85	0.95	0.95

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Method (354): Measured

Measurement date (354): 2013-03-06

NRC: 0.80 (derived from ISO 354 lab data)

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Measured values as a table (1 measurement)

SONATECH MultiLane: 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
20 mm	0.80	0.14	0.41	0.53	0.69	0.67	0.62	0.66	0.63	0.65	0.76	0.87	0.93	0.95	0.96	0.94	0.95	0.97	0.96

Measured values as a table (1 measurement)

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Last updated: 09/12/2026