MUTE+ skin ceiling raft

Name: MUTE+ skin ceiling raft
Brand: Lindner Group

Sabins/unit 8.6–31 at 1 kHz

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Manufacturer

Lindner Group

Lindner Group, Arnstorf: metal ceilings, heating and cooling ceilings, raised floors, wall and ceiling linings and the MUTE+ sound absorber line.

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Documents

Datasheet

Description

Ceiling raft made of polyester with covering, frameless. Free of mineral fibres and allergy-friendly, recycled content of up to 20 per cent, 100 per cent recyclable and reusable. The tex900-949 fabric group consists of 75 per cent recycled polyester.

Technical data

Material: Polyester, cover fabric of polyester

Surface: Fabric drawn over the edge without a frame

Fire class (EN 13501-1): B1 · per DIN 4102

Certifications: Oeko-Tex Standard 100 (S24-3191, Hohenstein HTTI), Indoor Air Comfort GOLD, emission class A+ (VOC, France)

Colours: Signal white, signal grey, silver grey, carmine red, ultramarine blue, light ivory, white green, pearl green, quartz grey, graphite grey

Measurement data

Sound absorption

Reverberation chamber (ASTM C423 / ISO 354)· 6 variants

Sabins/unit

at 1 kHz

Frequency values

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Compare		Value
	ceiling raft 79 x 39 in	Sabins/unit31
	ceiling raft 59 x 39 in	Sabins/unit25
	ceiling raft ø 49 in	Sabins/unit22
	ceiling raft 39 x 39 in	Sabins/unit18
	ceiling raft ø 39 in	Sabins/unit14
	ceiling raft ø 30 in	Sabins/unit8.6

Test report: H220914M1/3b_rev00

Distance: 9.4 in

Test setup: ceiling raft 79 x 39 in

Measured values as a table (6 measurements)

MUTE+ skin ceiling raft: 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
1.6 in · 9.4 in · ceiling raft 39 x 39 in (sabins/unit)	–	1.1	2.2	6.5	9.7	11	13	15	16	16	16	18	18	18	18	18	18	18	18
1.6 in · 9.4 in · ceiling raft 59 x 39 in (sabins/unit)	–	2.2	3.2	8.6	14	16	19	23	24	23	23	25	26	26	27	26	26	27	26
1.6 in · 9.4 in · ceiling raft 79 x 39 in (sabins/unit)	–	3.2	5.4	13	18	22	25	27	29	30	29	31	32	32	33	33	32	34	34
1.6 in · 9.4 in · ceiling raft ø 30 in (sabins/unit)	–	0	0	2.2	4.3	5.4	6.5	7.5	7.5	8.6	8.6	8.6	9.7	8.6	9.7	9.7	9.7	8.6	8.6
1.6 in · 9.4 in · ceiling raft ø 39 in (sabins/unit)	–	1.1	1.1	4.3	7.5	8.6	11	13	13	13	13	14	15	14	15	15	15	15	14
1.6 in · 9.4 in · ceiling raft ø 49 in (sabins/unit)	–	2.2	3.2	7.5	12	14	16	19	19	20	19	22	22	20	23	22	22	22	22

Measured values as a table (6 measurements)

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Last updated: 10/22/2026

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