Manufacturer

raumton

raumton GmbH from Berlin plans, manufactures and installs sound absorbers for rooms in which people speak: open-plan and single offices, conference and presentation rooms, play and learning rooms as well as meeting and dining areas. The range runs from ceiling and wall absorbers through baffles, stretch ceilings and cubes to free-standing partition and floor absorbers. The absorber core is melamine resin foam or PET acoustic fleece, both free of artificial and natural mineral fibres, halogens and CFCs. For the fabric covering, more than 300 colours and textures are available in polyester, pure new wool, blended fabrics or non-combustible glass fabric. All products are made to bespoke dimensions.

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Documents

raumton Round ceiling absorber

Round ceiling absorber

CeilingFree-hanging

Description

The round ceiling absorber has a core of PET acoustic fleece and is suspended beneath the ceiling on three steel cables at a continuously adjustable height, or installed flush underneath it. The covering is available in polyester, pure new wool, blended fabric or non-combustible glass fabric, with a wide choice of colours and textures.

Technical data

Material: Core of PET acoustic fleece, 100% recyclable, recycled content up to 35%, OEKO-TEX 100
Surface: polyester, pure new wool, blended fabric or non-combustible glass fabric, over 300 colours and textures
Up to fire class: DIN 4102-1 B1, DIN EN 13501-1 C-s3,d0

Measurement data

Sound absorption

Reverberation chamber (ASTM C423 / ISO 354)

NRC
0.90
derived from ISO 354 lab data

Frequency values

αp nach ISO 11654

f (Hz)1252505001k2k4k
αp0.200.601.001.001.001.00

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Method (354): Measured

Mounting type: Type B – With air gap (ASTM E795: B mounting)

NRC: 0.90 (derived from ISO 354 lab data)

Terms of use
Measured values as a table (1 measurement)

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