Manufacturer

Fural Systeme in Metall GmbH

Fural manufactures modular metal ceiling systems with outstanding acoustic performance. Every metal ceiling is an acoustic ceiling with additional functions such as fire protection, cooling, heating, hygiene or impact resistance. Certified to TAIM, with EPDs available for steel and aluminium systems.

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Documents

EPD

Fural Metal Cassette Ceiling

Name: Fural Metal Cassette Ceiling
Brand: Fural Systeme in Metall GmbH

Metal Cassette Ceiling

EPD availableCeiling

Description

Modular metal ceiling system for suspended acoustic ceilings in new builds and existing buildings. Stress-free installation without height differences, including on existing T-profiles during refurbishment. Optionally combinable with a cooling and heating function, hygiene equipment, and ball-impact resistance. The surface can be individually printed via COLORPRINT, turning the cassette into a design element. Square and long-field cassettes in 161 tested configurations, matched to varying room and absorption requirements.

Technical data

Material: Galvanized steel 0 in

Surface: RAL 9010, powder coating 60–70 μm

Up to fire class: A1 (DIN EN 13501-1)

Application: Suspended acoustic ceiling

Measurement data

Sound absorption

Reverberation chamber (ASTM C423 / ISO 354)· 160 variants

Perforation

Size

Surface

NRC

0.95

Frequency values

α_p per octave band

f (Hz)	125	250	500	1k	2k	4k
α_p	0.45	0.85	0.95	0.95	1.00	0.90

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Perforation	Size	Test setup	Surface	Value
Rg 2,5-16%	7.9 in overall build-up	1.6 in mineral wool 46 kg/m³	with acoustic fleece	NRC0.95
Rg 2,5-16%	7.9 in overall build-up	2 in mineral wool 45 kg/m³	with acoustic fleece	NRC1.00
Rg 2,5-16%	7.9 in overall build-up	1.2 in polyester wool 48 kg/m³	with acoustic fleece	NRC0.95
16,0 x 8,0 x1,5x1,0	7.9 in overall build-up	1.2 in polyester wool 48 kg/m³	with acoustic fleece	NRC0.95
16,0 x 8,0 x1,5x1,0	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.95
Rg 2,5-16%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film	without fleece	NRC0.95
Rg 2,5-16%	7.9 in overall build-up	1.6 in polyester wool 20 kg/m³	without fleece	NRC0.95
Rg 2,5-16%	7.9 in overall build-up	1.6 in polyester wool 20 kg/m³	with acoustic fleece	NRC0.95
2,5 x 2,0 x 0,5 x 0,5	7.9 in overall build-up	1.6 in polyester wool 20 kg/m³	without fleece	NRC0.95
16,0 x 8,0 x1,5x1,0	7.9 in overall build-up	1.6 in polyester wool 20 kg/m³	without fleece	NRC0.95
Rg 2,5-16%	7.9 in overall build-up	0.8 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.95
Rg 2,5-16%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.95
Rg 2,5-16%	7.9 in overall build-up	1.2 in foam 9 kg/m³	with acoustic fleece	NRC0.95
Rg 2,5-16%	3.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.95
Rg 2,5-16%	7.9 in overall build-up	1.2 in polyester wool 24 kg/m³	with acoustic fleece	NRC0.90
Rg 2,5-16%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	without fleece	NRC0.95
Rg 2,5-16%	2 in overall build-up	2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.95
16,0 x 8,0 x1,5x1,0	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.95
Rd 1,8-21%	7.9 in overall build-up	1.6 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.95
Rv 1,6-20%	7.9 in overall build-up	1.6 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.95
Rd 1,8-21%	7.9 in overall build-up	1.2 in mineral wool 50 kg/m³ in PE film	without fleece	NRC0.95
16,0 x 8,0 x1,5x1,0	16 in overall build-up	1.6 in polyester wool 20 kg/m³	without fleece	NRC0.90
Rg 2,5-16%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film (Akustikfolie)	with acoustic fleece	NRC0.90
Rd 1,5-22%	7.9 in overall build-up	0.8 in mineral wool 45 kg/m³ in PE film	with acoustic fleece	NRC0.85
Rg 2,5-16%	16 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.90
16,0 x 8,0 x1,5x1,0	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film	with acoustic fleece	NRC0.85
Rd 2,5-8%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.85
Rg 2,5-16%	7.9 in overall build-up	1.6 in mineral wool 45 kg/m³ in PE film	with acoustic fleece	NRC0.95
Rd 1,5-22%	7.9 in overall build-up	1.6 in polyester wool 20 kg/m³	with acoustic fleece	NRC0.95
Rg 2,5-16%	7.9 in overall build-up	1.2 in mineral wool 50 kg/m³ in PE film	with acoustic fleece	NRC0.95
Rg 2,5-16%	7.9 in overall build-up	0.8 in polyester wool 20 kg/m³	with acoustic fleece	NRC0.95
Rg 2,5-16%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film	with acoustic fleece	NRC0.85
Rg 2,5-16%	7.9 in overall build-up	1.6 in mineral wool 28 kg/m³ in PE film	with acoustic fleece	NRC0.85
Rg 2,5-16%	7.9 in overall build-up	2 in mineral wool 28 kg/m³ in PE film	with acoustic fleece	NRC0.85
Rg 2,5-16%	7.9 in overall build-up	1.2 in mineral wool 28 kg/m³ in PE film	with acoustic fleece	NRC0.90
Rd 1,5-22%	7.9 in overall build-up	1.2 in mineral wool 46 kg/m³ in PE film	with acoustic fleece	NRC0.80
Rg 2,5-16%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film	without fleece	NRC0.90
Rd 1,5-22%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film	with acoustic fleece	NRC0.95
Rd 1,8-21%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film	with acoustic fleece	NRC0.95
22,0 x 12,0 x 2,0 x 1,5	7.9 in overall build-up	0.8 in polyester wool 20 kg/m³	without fleece	NRC0.80
Rg 2,5-16%	7.9 in overall build-up	0.8 in polyester wool 20 kg/m³	without fleece	NRC0.80
Rg 2,5-16%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rv 1,6-20%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rg 2,5-16%	3.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rg 2,5-16%	2 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.90
Rv 1,6-20%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.95
Rd 4,0-33%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Qg 4,0-33%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
3,0-11%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rg 4,0-17%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rg 2,5-16%	7.9 in overall build-up	1.6 in mineral wool 28 kg/m³ in PE film	with acoustic fleece	NRC0.85
Rd 1,5-22%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.90
Rg 2,5-16%	7.9 in overall build-up	2 in mineral wool 28 kg/m³ in PE film	with acoustic fleece	NRC0.80
Rd 1,5-22%	7.9 in overall build-up	0.8 in mineral wool 45 kg/m³ in PE film	with acoustic fleece	NRC0.85
Rv 1,6-20%	7.9 in overall build-up	1.2 in mineral wool 44 kg/m³ in PE film	with acoustic fleece	NRC0.85
Rv 1,6-20%	7.9 in overall build-up	1.2 in mineral wool 44 kg/m³ in PE film	with acoustic fleece	NRC0.85
Rd 1,5-22%	7.9 in overall build-up	1.2 in mineral wool 46 kg/m³ in PE film	with acoustic fleece	NRC0.85
Rg 2,5-16%	7.9 in overall build-up	1.6 in mineral wool 30 kg/m³ in PE film	without fleece	NRC0.75
Rg 0,7-4%	7.9 in overall build-up	1.2 in mineral wool 28 kg/m³ in PE film	with acoustic fleece	NRC0.90
Rg 1,5-11%	30 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film	with acoustic fleece	NRC0.75
Rg 0,7-4%	7.9 in overall build-up	1.6 in mineral wool 45 kg/m³ in PE film	with acoustic fleece	NRC0.90
Rg 2,5-16%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film	with acoustic fleece	NRC0.90
Rg 2,5-16%	7.9 in overall build-up	1.6 in polyester wool 20 kg/m³	with acoustic fleece	NRC0.90
Rg 2,5-16%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rd 1,8-21%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film	without fleece	NRC0.90
Rg 2,5-16%	7.9 in overall build-up	0.8 in Melaminharzschaum, 9 kg/m³	without fleece	NRC0.80
Rd 2,5-4%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.75
Rg 0,7-4%	7.9 in overall build-up	0.8 in mineral wool 45 kg/m³ in PE film	with acoustic fleece	NRC0.75
Rg 2,5-16%	16 in overall build-up	—	with acoustic fleece	NRC0.75
Rd 1,8-21%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rg 1,8-20%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rg 3,0-20%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rv 3,0-20%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rg 2,5-16%	1.2 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.85
Rd 2,8-20%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rd 2,5-8%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rd 1,5-22%	7.9 in overall build-up	1.2 in mineral wool 46 kg/m³ in PE film	with acoustic fleece	NRC0.80
Rv 2,5-23%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rd 1,5-22%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.85
Rg 14,0-23%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rd 1,5-11%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rg 1,5-11%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rd 1,8-10%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rg 1,8-10%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rg 0,7-4%	7.9 in overall build-up	1.2 in mineral wool 46 kg/m³ in PE film	with acoustic fleece	NRC0.75
Rv 1,6-20%	7.9 in overall build-up	1.2 in mineral wool 44 kg/m³ in PE film	with acoustic fleece	NRC0.85
Rg 0,8-6%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rg 0,7-4%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
2,5 x 2,0 x 0,5 x 0,5	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
16,0 x 8,0 x1,5x1,0	7.9 in overall build-up	0.6 in polyester wool 20 kg/m³	without fleece	NRC0.70
Qg 15-62%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rd 12-24%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
22,0 x 12,0 x 2,0 x 1,5	7.9 in overall build-up	—	without fleece	NRC0.75
Rg 2,5-16%	7.9 in overall build-up	28 Stk. polyester wool - strips with 2400x25x50, 80 kg/m³; 7 strips/Kassette zwischen ALPs	with acoustic fleece	NRC0.85
Rg 2,5-16%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
16,0 x 8,0 x1,5x1,0	3.9 in overall build-up	—	with acoustic fleece	NRC0.70
16,0 x 8,0 x1,5x1,0	7.9 in overall build-up	—	with acoustic fleece	NRC0.70
Rd 1,6-22%	7.9 in overall build-up	—	with acoustic fleece	NRC0.70
Rd 1,5-22%	7.9 in overall build-up	—	with acoustic fleece	NRC0.70
Rv 1,5-22%	7.9 in overall build-up	—	with acoustic fleece	NRC0.70
Rg 2,5-16%	7.9 in overall build-up	1.6 in mineral wool 30 kg/m³ in PE film	without fleece	NRC0.75
Rd 1,5-22%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.80
16,0 x 8,0 x1,5x1,0	16 in overall build-up	—	with acoustic fleece	NRC0.75
Rg 2,5-16%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rd 1,5-22%	7.9 in overall build-up	0.6 in mineral-fibre panel 303 kg/m³	with acoustic fleece	NRC0.70
Rd 0,8-11%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rg 0,9-7%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rg 1,5-11%	30 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film	with acoustic fleece	NRC0.70
Rg 2,5-16%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rg 2,5-16%	7.9 in overall build-up	2 in mineral-wool strips 2 in wide 57 kg/m³ in PE film	with acoustic fleece	NRC0.80
Rg 2,5-16%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rd 1,5-22%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rd 1,5-6%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
Rd 0,9-14%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
22,0 x 12,0 x 2,0 x 1,5	16 in overall build-up	0.8 in Melaminharzschaum, 9 kg/m³	without fleece	NRC0.70
22,0 x 12,0 x 2,0 x 1,5	16 in overall build-up	—	without fleece	NRC0.70
Rg 0,7-4%	7.9 in overall build-up	0.8 in mineral wool 44 kg/m³ in PE film	with acoustic fleece	NRC0.75
Rd 1,5-22%	7.9 in overall build-up	0.8 in mineral wool 44 kg/m³ in PE film	with acoustic fleece	NRC0.75
Rv 4,5-51%	7.9 in overall build-up	—	with acoustic fleece	NRC0.65
Rd 1,5-22%	7.9 in overall build-up	0.8 in mineral-fibre panel 325 kg/m³	with acoustic fleece	NRC0.65
Rv 1,6-20%	7.9 in overall build-up	—	with acoustic fleece	NRC0.70
Rd 1,8-21%	7.9 in overall build-up	—	with acoustic fleece	NRC0.70
Rd 1,5-22%	7.9 in overall build-up	—	with acoustic fleece	NRC0.70
Rd 1,5-22%	7.9 in overall build-up	—	with acoustic fleece	NRC0.70
Rv 1,6-20%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rg 2,5-16%	7.9 in overall build-up	—	with acoustic fleece	NRC0.70
Rg 0,7-4%	7.9 in overall build-up	1.2 in mineral wool 28 kg/m³ in PE film	with acoustic fleece	NRC0.85
Rg 0,7-4%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rg 2,5-16%	7.9 in overall build-up	—	with acoustic fleece	NRC0.80
16,0 x 8,0 x1,5x1,0	16 in overall build-up	0.6 in polyester wool 20 kg/m³	without fleece	NRC0.65
Rg 12-12%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
Rd 0,9-04%	7.9 in overall build-up	—	with acoustic fleece	NRC0.75
22,0 x 12,0 x 2,0 x 1,5	7.9 in overall build-up	—	without fleece	NRC0.70
16,0 x 8,0 x1,5x1,0	7.9 in overall build-up	—	with acoustic fleece	NRC0.60
Rd 1,5-22%	7.9 in overall build-up	0.8 in mineral wool 44 kg/m³ in PE film	with acoustic fleece	NRC0.75
Rd 1,5-22%	7.9 in overall build-up	—	with acoustic fleece	NRC0.70
Rg 0,7-4%	7.9 in overall build-up	0.8 in mineral wool 44 kg/m³ in PE film	with acoustic fleece	NRC0.75
Rg 0,7-4%	7.9 in overall build-up	1.2 in mineral wool 46 kg/m³ in PE film	with acoustic fleece	NRC0.70
Rg 0,7-4%	7.9 in overall build-up	0.8 in mineral wool 44 kg/m³ in PE film	with acoustic fleece	NRC0.70
Rg 0,7-4%	7.9 in overall build-up	1.2 in mineral wool 46 kg/m³ in PE film	with acoustic fleece	NRC0.70
Rg 1,5-11%	30 in overall build-up	1.2 in mineral wool 45 kg/m³in PE film	with acoustic fleece	NRC0.60
Rg 1,5-11%	30 in overall build-up	3.1 in mineral wool 30 kg/m³ in PE film	with acoustic fleece	NRC0.65
Rv 3,0-20%	2 in overall build-up	—	with acoustic fleece	NRC0.65
Rg 0,7-1%	16 in overall build-up	1.2 in mineral wool 28 kg/m³	with acoustic fleece	NRC0.65
Rd 0,9-14%	16 in overall build-up	—	with acoustic fleece	NRC0.55
Rg 0,7-4%	7.9 in overall build-up	1.2 in mineral wool 46 kg/m³ in PE film	with acoustic fleece	NRC0.55
Rd 2,5-2%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.50
Rg 2,5-16%	2 in overall build-up	—	with acoustic fleece	NRC0.65
Rg 0,7-1,5%	7.9 in overall build-up	—	with acoustic fleece	NRC0.60
Rg 0,7-1%	7.9 in overall build-up	—	with acoustic fleece	NRC0.65
Rd 1,5-22%	7.9 in overall build-up	—	with acoustic fleece	NRC0.55
Rd 1,5-22%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.60
Rd 1,5-22%	7.9 in overall build-up	1.2 in mineral wool 46 kg/m³ in PE film	with acoustic fleece	NRC0.60
16,0 x 8,0 x1,5x1,0	7.9 in overall build-up	ca.0.4 in Synthetic acoustic fleece/felt, density 35 kg/m³	with acoustic fleece	NRC0.40
Rg 0,7-4%	7.9 in overall build-up	—	with acoustic fleece	NRC0.55
16,0 x 8,0 x1,5x1,0	2 in overall build-up	—	with acoustic fleece	NRC0.55
Rg 0,7-4%	7.9 in overall build-up	1.6 in mineral wool 45 kg/m³ in PE film	with acoustic fleece	NRC0.50
Rg 0,7-1%	7.9 in overall build-up	—	without fleece	NRC0.45
Rd 2,5-1%	7.9 in overall build-up	1.2 in mineral wool 45 kg/m³	with acoustic fleece	NRC0.35
Smooth	7.9 in overall build-up	—	without fleece	NRC0.05

Test report: P-BA 279/2006 Bild 15

NRC: 0.95 (derived from ISO 354 lab data)

Institute: MFPA Leipzig

Measured values as a table (160 measurements)

Fural Metal Cassette Ceiling: 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
16,0 x 8,0 x1,5x1,0 · 50 mm overall build-up · with acoustic fleece	0.55	0.04	0.04	0.09	0.10	0.13	0.19	0.26	0.36	0.48	0.62	0.72	0.84	0.94	0.98	0.98	0.91	0.72	0.75
Rg 2,5-16% · 200 mm overall build-up · with acoustic fleece	0.80	0.18	0.29	0.57	0.66	0.80	0.83	0.91	0.94	0.89	0.70	0.66	0.77	0.80	0.79	0.83	0.82	0.85	0.80
Rd 2,5-4% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.75	0.20	0.41	0.64	0.71	0.73	0.75	0.75	0.76	0.72	0.67	0.72	0.75	0.71	0.70	0.70	0.70	0.73	0.73
16,0 x 8,0 x1,5x1,0 · 200 mm overall build-up · ca.10 mm Synthetic acoustic fleece/felt, density 35 kg/m³ · with acoustic fleece	0.40	0.07	0.14	0.14	0.27	0.31	0.35	0.41	0.43	0.42	0.36	0.34	0.43	0.48	0.48	0.55	0.58	0.60	0.60
Rv 3,0-20% · 50 mm overall build-up · with acoustic fleece	0.65	0.08	0.11	0.15	0.19	0.25	0.31	0.40	0.53	0.66	0.75	0.86	0.96	0.99	0.99	0.87	0.73	0.60	0.65
16,0 x 8,0 x1,5x1,0 · 100 mm overall build-up · with acoustic fleece	0.70	0.08	0.13	0.25	0.30	0.39	0.51	0.62	0.76	0.83	0.93	0.96	0.91	0.85	0.75	0.77	0.84	0.77	0.83
Rd 2,5-2% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.50	0.19	0.41	0.54	0.56	0.52	0.54	0.53	0.53	0.49	0.47	0.50	0.49	0.48	0.46	0.47	0.43	0.45	0.44
Rd 2,5-1% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.35	0.23	0.39	0.47	0.45	0.40	0.38	0.37	0.36	0.34	0.32	0.33	0.30	0.28	0.25	0.25	0.22	0.21	0.21
Rg 2,5-16% · 200 mm overall build-up · 20 mm mineral wool 45 kg/m³ · with acoustic fleece	0.95	0.23	0.38	0.65	0.75	0.87	0.88	1.04	0.98	0.95	0.83	0.86	0.96	0.98	0.99	0.95	0.94	0.93	0.88
Rg 0,7-1% · 200 mm overall build-up · without fleece	0.45	0.12	0.18	0.30	0.42	0.60	0.60	0.64	0.56	0.43	0.32	0.33	0.41	0.39	0.36	0.30	0.24	0.18	0.16
16,0 x 8,0 x1,5x1,0 · 200 mm overall build-up · with acoustic fleece	0.60	0.13	0.18	0.38	0.46	0.55	0.69	0.75	0.76	0.70	0.52	0.42	0.53	0.64	0.61	0.69	0.67	0.68	0.63
16,0 x 8,0 x1,5x1,0 · 200 mm overall build-up · with acoustic fleece	0.70	0.14	0.24	0.50	0.60	0.68	0.79	0.85	0.91	0.89	0.69	0.57	0.66	0.76	0.72	0.83	0.83	0.79	0.75
Rg 2,5-16% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.95	0.16	0.35	0.70	0.78	0.86	0.93	1.01	0.98	0.93	0.85	0.88	0.96	0.95	1.01	0.97	0.93	0.91	0.86
Rg 2,5-16% · 200 mm overall build-up · 40 mm mineral wool 46 kg/m³ · with acoustic fleece	0.95	0.20	0.46	0.72	0.80	0.90	0.91	0.98	0.98	0.95	0.93	0.97	1.00	1.01	0.98	0.98	0.92	0.92	0.88
Rg 2,5-16% · 200 mm overall build-up · 50 mm mineral wool 45 kg/m³ · with acoustic fleece	1.00	0.26	0.48	0.77	0.93	0.95	0.93	1.04	0.95	0.96	0.97	1.04	1.03	1.00	1.02	0.98	0.95	0.91	0.92
Rg 2,5-16% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film (Akustikfolie) · with acoustic fleece	0.90	0.22	0.41	0.69	0.78	0.83	0.84	0.89	0.90	0.84	0.81	0.85	0.90	0.90	0.92	0.92	0.85	0.84	0.77
Rg 2,5-16% · 200 mm overall build-up · 30 mm foam 9 kg/m³ · with acoustic fleece	0.95	0.20	0.37	0.66	0.80	0.94	0.96	0.99	0.98	0.93	0.84	0.88	1.00	0.99	0.99	0.97	0.95	0.96	0.89
Rg 2,5-16% · 200 mm overall build-up · 30 mm polyester wool 48 kg/m³ · with acoustic fleece	0.95	0.28	0.43	0.68	0.80	0.88	0.95	1.04	0.98	0.95	0.92	0.94	1.00	1.00	1.02	0.98	0.96	0.91	0.85
Rd 1,5-22% · 200 mm overall build-up · 20 mm mineral wool 44 kg/m³ in PE film · with acoustic fleece	0.75	0.18	0.21	0.19	0.23	0.27	0.37	0.51	0.66	0.77	0.94	1.03	1.05	1.07	1.04	0.96	0.84	0.75	0.68
Rv 1,6-20% · 200 mm overall build-up · with acoustic fleece	0.80	0.22	0.30	0.59	0.67	0.78	0.82	0.90	0.95	0.89	0.72	0.67	0.77	0.79	0.80	0.83	0.82	0.85	0.86
Rg 0,7-4% · 200 mm overall build-up · 40 mm mineral wool 45 kg/m³ in PE film · with acoustic fleece	0.50	0.43	0.53	0.56	0.61	0.56	0.65	0.58	0.58	0.53	0.49	0.49	0.46	0.40	0.37	0.34	0.33	0.33	0.30
Rg 0,7-4% · 200 mm overall build-up · with acoustic fleece	0.55	0.39	0.49	0.57	0.70	0.61	0.71	0.67	0.68	0.59	0.48	0.46	0.47	0.41	0.38	0.34	0.32	0.31	0.30
16,0 x 8,0 x1,5x1,0 · 200 mm overall build-up · 30 mm polyester wool 48 kg/m³ · with acoustic fleece	0.95	0.17	0.41	0.66	0.83	0.88	0.90	1.02	1.02	0.97	0.91	0.90	0.97	1.02	1.01	1.00	0.97	0.99	0.97
Rg 0,7-4% · 200 mm overall build-up · 20 mm mineral wool 44 kg/m³ in PE film · with acoustic fleece	0.75	0.17	0.22	0.21	0.26	0.31	0.44	0.58	0.75	0.85	0.96	1.00	0.96	0.93	0.86	0.74	0.63	0.52	0.47
Rg 2,5-16% · 50 mm overall build-up · with acoustic fleece	0.65	0.04	0.08	0.12	0.14	0.19	0.27	0.37	0.48	0.60	0.74	0.85	0.89	0.98	0.98	0.95	0.81	0.69	0.76
Rd 1,5-22% · 200 mm overall build-up · 20 mm mineral wool 44 kg/m³ in PE film · with acoustic fleece	0.75	0.18	0.25	0.21	0.26	0.31	0.44	0.61	0.80	0.90	1.03	1.07	0.98	0.92	0.83	0.71	0.61	0.54	0.53
Rg 2,5-16% · 100 mm overall build-up · with acoustic fleece	0.75	0.09	0.20	0.30	0.39	0.50	0.61	0.70	0.83	0.87	0.92	0.95	0.92	0.83	0.75	0.81	0.78	0.72	0.75
Rg 0,7-4% · 200 mm overall build-up · 20 mm mineral wool 45 kg/m³ in PE film · with acoustic fleece	0.75	0.35	0.52	0.70	0.74	0.74	0.77	0.80	0.83	0.80	0.70	0.73	0.78	0.76	0.75	0.68	0.62	0.56	0.49
Rg 2,5-16% · 400 mm overall build-up · with acoustic fleece	0.75	0.27	0.56	0.74	0.82	0.82	0.84	0.73	0.63	0.73	0.73	0.72	0.78	0.80	0.83	0.84	0.84	0.83	0.83
Rd 1,5-22% · 200 mm overall build-up · 20 mm mineral wool 45 kg/m³ in PE film · with acoustic fleece	0.85	0.33	0.56	0.68	0.80	0.82	0.84	0.92	0.97	0.91	0.78	0.80	0.90	0.88	0.89	0.87	0.85	0.80	0.74
Rg 2,5-16% · 50 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.90	0.09	0.15	0.26	0.35	0.50	0.66	0.84	0.96	1.00	1.08	1.09	1.05	1.04	0.99	0.97	0.90	0.91	0.92
Rg 2,5-16% · 100 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.95	0.16	0.27	0.43	0.57	0.73	0.77	1.01	1.03	1.01	1.03	1.03	0.98	0.94	0.95	0.98	0.96	0.92	0.90
Rg 2,5-16% · 400 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.90	0.31	0.64	0.79	0.81	0.89	0.90	0.77	0.75	0.91	0.95	0.97	1.00	1.02	1.03	1.02	1.01	0.96	0.97
Rv 4,5-51% · 200 mm overall build-up · with acoustic fleece	0.65	0.20	0.31	0.41	0.55	0.69	0.68	0.76	0.81	0.79	0.58	0.47	0.60	0.66	0.62	0.68	0.65	0.63	0.62
Rv 1,6-20% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.95	0.18	0.29	0.63	0.73	0.89	0.94	1.00	0.99	0.97	0.87	0.89	1.02	0.98	1.03	1.03	1.03	1.00	0.95
Rg 2,5-16% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film · with acoustic fleece	0.85	0.24	0.43	0.67	0.76	0.83	0.85	0.88	0.86	0.80	0.79	0.82	0.89	0.89	0.89	0.84	0.74	0.72	0.65
Rg 2,5-16% · 200 mm overall build-up · 30 mm polyester wool 24 kg/m³ · with acoustic fleece	0.90	0.27	0.45	0.65	0.80	0.89	0.94	1.07	1.00	0.95	0.84	0.82	0.95	0.96	0.96	0.95	0.90	0.89	0.86
Rg 2,5-16% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · without fleece	0.95	0.16	0.35	0.48	0.65	0.81	0.86	1.03	1.02	0.98	0.94	0.89	0.98	1.00	1.03	1.00	0.97	0.99	0.97
Rg 0,7-1,5% · 200 mm overall build-up · with acoustic fleece	0.60	0.31	0.50	0.58	0.75	0.72	0.73	0.75	0.71	0.67	0.55	0.53	0.55	0.50	0.49	0.44	0.41	0.35	0.31
Rd 4,0-33% · 200 mm overall build-up · with acoustic fleece	0.80	0.16	0.40	0.60	0.70	0.77	0.79	0.90	0.90	0.89	0.74	0.68	0.76	0.80	0.81	0.81	0.79	0.77	0.76
Smooth · 200 mm overall build-up · without fleece	0.05	0.10	0.16	0.19	0.16	0.12	0.08	0.06	0.05	0.04	0.04	0.02	0.02	0.02	0.02	0.01	0.02	0.04	0.05
Rg 2,5-16% · 50 mm overall build-up · 50 mm mineral wool 45 kg/m³ · with acoustic fleece	0.95	0.14	0.26	0.47	0.65	0.77	0.87	1.01	1.02	1.08	1.05	1.06	1.02	0.99	0.98	0.95	0.92	0.93	0.90
Rd 1,8-21% · 200 mm overall build-up · with acoustic fleece	0.75	0.23	0.30	0.47	0.57	0.75	0.82	0.94	0.96	0.86	0.68	0.57	0.69	0.76	0.71	0.75	0.69	0.67	0.65
Rg 1,8-20% · 200 mm overall build-up · with acoustic fleece	0.75	0.23	0.30	0.47	0.57	0.75	0.82	0.94	0.96	0.86	0.68	0.57	0.69	0.76	0.71	0.75	0.69	0.67	0.65
Rg 3,0-20% · 200 mm overall build-up · with acoustic fleece	0.80	0.23	0.33	0.51	0.65	0.85	0.85	0.93	0.98	0.90	0.71	0.62	0.73	0.78	0.73	0.78	0.70	0.74	0.70
Rv 3,0-20% · 200 mm overall build-up · with acoustic fleece	0.80	0.23	0.33	0.51	0.65	0.85	0.85	0.93	0.98	0.90	0.71	0.62	0.73	0.78	0.73	0.78	0.70	0.74	0.70
Rd 1,6-22% · 200 mm overall build-up · with acoustic fleece	0.70	0.23	0.37	0.47	0.62	0.75	0.73	0.83	0.87	0.85	0.65	0.54	0.67	0.72	0.67	0.72	0.69	0.66	0.65
16,0 x 8,0 x1,5x1,0 · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.95	0.18	0.31	0.61	0.73	0.87	0.93	1.00	1.01	0.96	0.87	0.88	1.00	1.02	0.98	1.04	0.98	1.00	0.95
16,0 x 8,0 x1,5x1,0 · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.95	0.19	0.37	0.68	0.77	0.89	0.95	1.02	1.01	0.95	0.87	0.88	0.99	1.00	0.99	1.04	0.99	1.00	1.01
Rd 1,5-22% · 200 mm overall build-up · 20 mm mineral-fibre panel 325 kg/m³ · with acoustic fleece	0.65	0.24	0.29	0.26	0.39	0.40	0.44	0.53	0.65	0.67	0.69	0.76	0.80	0.80	0.79	0.80	0.79	0.80	0.77
Rg 0,7-1% · 200 mm overall build-up · with acoustic fleece	0.65	0.34	0.37	0.58	0.77	0.84	0.77	0.82	0.83	0.74	0.60	0.55	0.60	0.52	0.47	0.42	0.39	0.33	0.28
Rd 1,5-22% · 200 mm overall build-up · with acoustic fleece	0.55	0.24	0.38	0.47	0.54	0.60	0.57	0.61	0.64	0.59	0.52	0.49	0.49	0.51	0.45	0.41	0.37	0.33	0.30
Rg 2,5-16% · 30 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.85	0.06	0.11	0.22	0.33	0.42	0.56	0.76	0.89	0.95	1.05	1.09	1.06	1.04	1.01	1.01	0.91	0.87	0.84
Rv 1,6-20% · 200 mm overall build-up · with acoustic fleece	0.70	0.25	0.28	0.34	0.56	0.72	0.88	0.86	0.87	0.83	0.61	0.51	0.64	0.69	0.65	0.68	0.64	0.62	0.61
Rd 1,8-21% · 200 mm overall build-up · with acoustic fleece	0.70	0.25	0.29	0.36	0.59	0.71	0.86	0.85	0.86	0.81	0.58	0.50	0.63	0.67	0.64	0.67	0.63	0.61	0.59
Rd 1,5-22% · 200 mm overall build-up · with acoustic fleece	0.70	0.25	0.38	0.41	0.59	0.72	0.79	0.84	0.89	0.85	0.69	0.60	0.68	0.67	0.60	0.56	0.54	0.48	0.43
16,0 x 8,0 x1,5x1,0 · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film · with acoustic fleece	0.85	0.20	0.46	0.69	0.78	0.81	0.80	0.88	0.87	0.86	0.79	0.85	0.90	0.91	0.91	0.90	0.89	0.89	0.86
Rd 2,8-20% · 200 mm overall build-up · with acoustic fleece	0.75	0.25	0.41	0.53	0.67	0.79	0.78	0.85	0.91	0.89	0.70	0.60	0.72	0.76	0.71	0.76	0.73	0.69	0.67
Qg 4,0-33% · 200 mm overall build-up · with acoustic fleece	0.80	0.15	0.38	0.61	0.67	0.77	0.79	0.90	0.93	0.89	0.75	0.69	0.77	0.81	0.81	0.81	0.76	0.77	0.75
Rd 1,5-22% · 200 mm overall build-up · with acoustic fleece	0.70	0.27	0.35	0.38	0.60	0.70	0.77	0.83	0.88	0.86	0.68	0.57	0.69	0.70	0.65	0.61	0.58	0.49	0.47
Rv 1,6-20% · 200 mm overall build-up · with acoustic fleece	0.75	0.27	0.43	0.51	0.72	0.80	0.80	0.86	0.89	0.87	0.68	0.61	0.70	0.68	0.67	0.65	0.59	0.55	0.52
Rd 2,5-8% · 200 mm overall build-up · with acoustic fleece	0.75	0.21	0.43	0.60	0.70	0.74	0.73	0.78	0.78	0.75	0.67	0.64	0.69	0.72	0.75	0.77	0.66	0.63	0.64
Rd 1,5-22% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.60	0.27	0.46	0.53	0.61	0.66	0.59	0.60	0.62	0.60	0.56	0.59	0.57	0.57	0.49	0.44	0.40	0.35	0.31
3,0-11% · 200 mm overall build-up · with acoustic fleece	0.80	0.18	0.30	0.54	0.64	0.78	0.80	0.88	0.97	0.88	0.70	0.65	0.75	0.79	0.79	0.80	0.74	0.73	0.69
Rd 1,5-22% · 200 mm overall build-up · with acoustic fleece	0.70	0.28	0.31	0.39	0.60	0.73	0.88	0.86	0.87	0.86	0.64	0.55	0.65	0.71	0.68	0.73	0.69	0.66	0.68
Rv 1,5-22% · 200 mm overall build-up · with acoustic fleece	0.70	0.28	0.31	0.39	0.60	0.73	0.88	0.86	0.87	0.86	0.64	0.55	0.65	0.71	0.68	0.73	0.69	0.66	0.68
Rd 1,5-22% · 200 mm overall build-up · 30 mm mineral wool 46 kg/m³ in PE film · with acoustic fleece	0.80	0.28	0.35	0.34	0.40	0.49	0.68	0.81	0.97	1.02	1.04	1.01	0.92	0.85	0.77	0.68	0.62	0.61	0.61
Rg 0,7-1% · 400 mm overall build-up · 30 mm mineral wool 28 kg/m³ · with acoustic fleece	0.65	0.42	0.56	0.64	0.66	0.67	0.68	0.65	0.66	0.72	0.74	0.73	0.68	0.61	0.54	0.46	0.39	0.36	0.29
Rg 2,5-16% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film · without fleece	0.95	0.28	0.39	0.63	0.79	0.93	0.96	1.02	1.02	0.98	0.94	0.90	0.98	0.99	0.96	0.93	0.92	0.92	0.87
Rg 2,5-16% · 200 mm overall build-up · 40 mm mineral wool 30 kg/m³ in PE film · without fleece	0.75	0.36	0.42	0.46	0.49	0.52	0.68	0.76	0.87	0.94	1.01	0.94	0.86	0.76	0.65	0.60	0.61	0.64	0.60
Rg 4,0-17% · 200 mm overall build-up · with acoustic fleece	0.80	0.16	0.32	0.51	0.64	0.80	0.85	0.90	0.97	0.90	0.69	0.65	0.73	0.79	0.80	0.83	0.77	0.77	0.72
Rg 2,5-16% · 200 mm overall build-up · 40 mm mineral wool 28 kg/m³ in PE film · with acoustic fleece	0.85	0.29	0.30	0.45	0.53	0.69	0.79	0.91	0.99	1.01	1.02	0.96	0.94	0.85	0.75	0.68	0.64	0.63	0.61
Rd 1,5-22% · 200 mm overall build-up · with acoustic fleece	0.70	0.29	0.39	0.43	0.59	0.72	0.73	0.79	0.84	0.67	0.60	0.60	0.67	0.64	0.57	0.52	0.49	0.43	0.38
Rd 0,9-14% · 400 mm overall build-up · with acoustic fleece	0.55	0.31	0.42	0.36	0.54	0.72	0.65	0.48	0.38	0.53	0.68	0.60	0.62	0.63	0.54	0.53	0.53	1.04	0.73
Rg 0,7-4% · 200 mm overall build-up · 20 mm mineral wool 44 kg/m³ in PE film · with acoustic fleece	0.75	0.35	0.56	0.71	0.76	0.75	0.77	0.79	0.81	0.76	0.67	0.71	0.72	0.68	0.64	0.55	0.48	0.45	0.45
Rv 2,5-23% · 200 mm overall build-up · with acoustic fleece	0.75	0.30	0.33	0.42	0.64	0.78	0.92	0.89	0.91	0.90	0.69	0.59	0.69	0.74	0.71	0.76	0.72	0.69	0.71
Rg 0,7-4% · 200 mm overall build-up · 30 mm mineral wool 46 kg/m³ in PE film · with acoustic fleece	0.70	0.37	0.57	0.72	0.73	0.70	0.74	0.74	0.77	0.75	0.73	0.76	0.72	0.67	0.62	0.54	0.48	0.44	0.43
Rd 1,5-22% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.90	0.30	0.46	0.55	0.74	0.91	0.86	0.93	0.94	0.91	0.84	0.87	0.92	0.91	0.82	0.74	0.71	0.66	0.61
Rd 1,5-22% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.80	0.31	0.44	0.53	0.74	0.83	0.82	0.82	0.89	0.83	0.77	0.82	0.83	0.82	0.70	0.63	0.58	0.54	0.50
Rd 1,5-22% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.85	0.31	0.45	0.53	0.73	0.91	0.84	0.89	0.94	0.88	0.81	0.85	0.90	0.87	0.76	0.69	0.64	0.61	0.54
Rg 0,7-4% · 200 mm overall build-up · 20 mm mineral wool 44 kg/m³ in PE film · with acoustic fleece	0.70	0.21	0.25	0.23	0.30	0.37	0.52	0.66	0.83	0.89	0.91	0.89	0.79	0.73	0.65	0.54	0.45	0.41	0.41
16,0 x 8,0 x1,5x1,0 · 400 mm overall build-up · with acoustic fleece	0.75	0.31	0.50	0.72	0.85	0.83	0.84	0.71	0.57	0.69	0.71	0.69	0.74	0.79	0.82	0.84	0.85	0.85	0.88
Rg 14,0-23% · 200 mm overall build-up · with acoustic fleece	0.75	0.21	0.43	0.60	0.70	0.74	0.73	0.78	0.78	0.75	0.67	0.64	0.69	0.72	0.75	0.77	0.66	0.63	0.64
Rg 2,5-16% · 200 mm overall build-up · 50 mm mineral wool 28 kg/m³ in PE film · with acoustic fleece	0.80	0.32	0.34	0.42	0.47	0.58	0.66	0.74	0.81	0.84	0.91	0.94	0.93	0.93	0.86	0.79	0.76	0.78	0.64
Rg 2,5-16% · 200 mm overall build-up · with acoustic fleece	0.75	0.32	0.34	0.43	0.65	0.81	0.94	0.90	0.91	0.88	0.66	0.58	0.70	0.72	0.70	0.71	0.67	0.65	0.63
Rg 2,5-16% · 200 mm overall build-up · 40 mm mineral wool 28 kg/m³ in PE film · with acoustic fleece	0.85	0.32	0.37	0.43	0.55	0.66	0.77	0.90	0.97	1.04	1.02	1.00	0.93	0.87	0.78	0.74	0.68	0.70	0.65
Rg 2,5-16% · 200 mm overall build-up · with acoustic fleece	0.70	0.32	0.47	0.53	0.73	0.69	0.84	0.92	0.90	0.85	0.71	0.67	0.71	0.67	0.63	0.60	0.56	0.51	0.48
Rg 0,7-4% · 200 mm overall build-up · 30 mm mineral wool 46 kg/m³ in PE film · with acoustic fleece	0.70	0.28	0.36	0.38	0.49	0.57	0.71	0.77	0.87	0.88	0.85	0.79	0.73	0.66	0.61	0.52	0.47	0.45	0.44
Rd 1,5-22% · 200 mm overall build-up · 15 mm mineral-fibre panel 303 kg/m³ · with acoustic fleece	0.70	0.12	0.46	0.48	0.51	0.56	0.55	0.53	0.59	0.63	0.73	0.78	0.82	0.84	0.79	0.73	0.67	0.59	0.48
Rd 2,5-8% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³ · with acoustic fleece	0.85	0.19	0.37	0.67	0.79	0.81	0.84	0.89	0.91	0.86	0.79	0.84	0.92	0.89	0.89	0.87	0.88	0.87	0.88
Rd 1,5-22% · 200 mm overall build-up · 20 mm mineral wool 45 kg/m³ in PE film · with acoustic fleece	0.85	0.33	0.56	0.70	0.84	0.86	0.87	0.94	0.95	0.88	0.77	0.83	0.89	0.85	0.82	0.72	0.66	0.62	0.58
Rg 0,7-4% · 200 mm overall build-up · 30 mm mineral wool 28 kg/m³ in PE film · with acoustic fleece	0.85	0.29	0.40	0.63	0.83	1.02	0.99	0.99	0.95	0.86	0.83	0.87	0.86	0.79	0.64	0.57	0.48	0.44	0.45
Rd 1,5-11% · 200 mm overall build-up · with acoustic fleece	0.80	0.34	0.39	0.47	0.67	0.83	0.94	0.91	0.93	0.92	0.70	0.63	0.73	0.74	0.73	0.76	0.72	0.68	0.68
Rg 1,5-11% · 200 mm overall build-up · with acoustic fleece	0.80	0.34	0.39	0.47	0.67	0.83	0.94	0.91	0.93	0.92	0.70	0.63	0.73	0.74	0.73	0.76	0.72	0.68	0.68
Rg 2,5-16% · 200 mm overall build-up · 50 mm mineral wool 28 kg/m³ in PE film · with acoustic fleece	0.85	0.35	0.37	0.46	0.54	0.64	0.76	0.84	0.88	0.98	1.01	0.98	0.96	0.97	0.88	0.78	0.76	0.72	0.65
Rg 0,7-4% · 200 mm overall build-up · with acoustic fleece	0.75	0.33	0.40	0.47	0.67	0.85	0.95	0.91	0.91	0.88	0.69	0.60	0.70	0.70	0.67	0.65	0.60	0.55	0.51
Rd 0,8-11% · 200 mm overall build-up · with acoustic fleece	0.75	0.24	0.37	0.50	0.63	0.76	0.76	0.85	0.90	0.88	0.68	0.57	0.69	0.74	0.69	0.74	0.70	0.67	0.67
Rg 0,9-7% · 200 mm overall build-up · with acoustic fleece	0.75	0.25	0.41	0.49	0.64	0.76	0.77	0.85	0.91	0.85	0.67	0.59	0.69	0.72	0.67	0.70	0.67	0.62	0.59
Rd 1,8-10% · 200 mm overall build-up · with acoustic fleece	0.80	0.37	0.40	0.49	0.67	0.85	0.93	0.91	0.91	0.91	0.71	0.64	0.74	0.74	0.73	0.74	0.70	0.67	0.65
Rg 1,8-10% · 200 mm overall build-up · with acoustic fleece	0.80	0.37	0.40	0.49	0.67	0.85	0.93	0.91	0.91	0.91	0.71	0.64	0.74	0.74	0.73	0.74	0.70	0.67	0.65
Rv 1,6-20% · 200 mm overall build-up · 30 mm mineral wool 44 kg/m³ in PE film · with acoustic fleece	0.85	0.37	0.54	0.70	0.83	0.85	0.86	0.90	0.89	0.85	0.80	0.86	0.87	0.82	0.80	0.72	0.66	0.63	0.60
Rv 1,6-20% · 200 mm overall build-up · 30 mm mineral wool 44 kg/m³ in PE film · with acoustic fleece	0.85	0.37	0.54	0.72	0.85	0.85	0.85	0.92	0.93	0.87	0.81	0.86	0.86	0.81	0.78	0.67	0.66	0.63	0.59
Rd 1,5-22% · 200 mm overall build-up · 30 mm mineral wool 46 kg/m³ in PE film · with acoustic fleece	0.85	0.37	0.61	0.76	0.83	0.82	0.83	0.88	0.91	0.87	0.85	0.92	0.89	0.85	0.79	0.70	0.64	0.60	0.58
Rg 2,5-16% · 200 mm overall build-up · 30 mm mineral wool 28 kg/m³ in PE film · with acoustic fleece	0.90	0.38	0.49	0.71	0.88	0.95	0.92	0.98	0.92	0.88	0.84	0.94	0.93	0.90	0.79	0.71	0.70	0.73	0.69
Rg 2,5-16% · 200 mm overall build-up · 40 mm mineral wool 30 kg/m³ in PE film · without fleece	0.75	0.38	0.51	0.49	0.50	0.52	0.64	0.70	0.80	0.88	0.96	0.94	0.92	0.87	0.77	0.71	0.71	0.73	0.68
Rg 0,7-4% · 200 mm overall build-up · 30 mm mineral wool 46 kg/m³ in PE film · with acoustic fleece	0.75	0.35	0.55	0.65	0.64	0.63	0.69	0.71	0.76	0.74	0.72	0.77	0.78	0.77	0.74	0.68	0.61	0.54	0.49
Rv 1,6-20% · 200 mm overall build-up · 30 mm mineral wool 44 kg/m³ in PE film · with acoustic fleece	0.85	0.38	0.54	0.72	0.85	0.84	0.84	0.90	0.91	0.85	0.79	0.84	0.83	0.79	0.76	0.65	0.60	0.56	0.50
Rd 1,5-22% · 200 mm overall build-up · 30 mm mineral wool 46 kg/m³ in PE film · with acoustic fleece	0.80	0.38	0.61	0.68	0.68	0.68	0.72	0.75	0.83	0.81	0.77	0.82	0.87	0.87	0.88	0.86	0.81	0.78	0.71
Rg 0,8-6% · 200 mm overall build-up · with acoustic fleece	0.75	0.29	0.46	0.60	0.71	0.79	0.79	0.85	0.91	0.91	0.74	0.66	0.76	0.78	0.73	0.73	0.69	0.65	0.63
Rg 1,5-11% · 750 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film · with acoustic fleece	0.60	0.41	0.50	0.51	0.50	0.54	0.65	0.65	0.72	0.74	0.73	0.66	0.64	0.60	0.56	0.52	0.49	0.46	0.42
Rg 1,5-11% · 750 mm overall build-up · 80 mm mineral wool 30 kg/m³ in PE film · with acoustic fleece	0.65	0.42	0.51	0.56	0.57	0.66	0.72	0.69	0.74	0.75	0.71	0.65	0.63	0.60	0.57	0.53	0.49	0.47	0.42
Rd 1,8-21% · 200 mm overall build-up · 40 mm mineral wool 45 kg/m³ · with acoustic fleece	0.95	0.42	0.52	0.65	0.81	1.07	1.08	1.00	0.98	0.95	0.91	0.95	0.98	0.93	0.89	0.84	0.87	0.92	0.87
Rv 1,6-20% · 200 mm overall build-up · 40 mm mineral wool 45 kg/m³ · with acoustic fleece	0.95	0.42	0.53	0.65	0.81	1.06	1.08	1.00	0.97	0.94	0.90	0.95	0.97	0.92	0.88	0.83	0.85	0.92	0.87
Rd 1,5-22% · 200 mm overall build-up · 30 mm mineral wool 46 kg/m³ in PE film · with acoustic fleece	0.60	0.18	0.22	0.22	0.22	0.24	0.32	0.41	0.52	0.59	0.72	0.79	0.83	0.89	0.89	0.89	0.85	0.82	0.77
Rg 0,7-4% · 200 mm overall build-up · with acoustic fleece	0.80	0.30	0.36	0.57	0.74	0.88	0.87	0.95	0.97	0.89	0.72	0.63	0.73	0.75	0.72	0.73	0.67	0.62	0.62
Rg 0,7-4% · 200 mm overall build-up · 30 mm mineral wool 28 kg/m³ in PE film · with acoustic fleece	0.90	0.36	0.50	0.67	0.86	0.94	0.91	0.95	0.93	0.86	0.80	0.85	0.90	0.90	0.84	0.75	0.68	0.59	0.53
Rg 2,5-16% · 200 mm overall build-up · 40 mm mineral wool 45 kg/m³ in PE film · with acoustic fleece	0.95	0.44	0.56	0.65	0.81	1.04	1.05	0.97	0.95	0.92	0.88	0.93	0.93	0.88	0.84	0.79	0.82	0.87	0.80
Rg 1,5-11% · 750 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film · with acoustic fleece	0.70	0.48	0.58	0.59	0.56	0.61	0.74	0.73	0.83	0.87	0.86	0.78	0.75	0.70	0.66	0.62	0.58	0.53	0.51
Rg 1,5-11% · 750 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film · with acoustic fleece	0.75	0.50	0.62	0.62	0.57	0.62	0.76	0.78	0.86	0.92	0.91	0.83	0.82	0.77	0.73	0.70	0.66	0.63	0.60
Rg 0,7-4% · 200 mm overall build-up · 40 mm mineral wool 45 kg/m³ in PE film · with acoustic fleece	0.90	0.42	0.58	0.65	0.78	1.01	1.01	0.92	0.90	0.87	0.84	0.87	0.85	0.79	0.74	0.69	0.72	0.73	0.63
Rg 2,5-16% · 200 mm overall build-up · with acoustic fleece	0.80	0.25	0.41	0.55	0.68	0.89	0.92	0.89	0.92	0.87	0.71	0.66	0.75	0.70	0.68	0.64	0.58	0.53	0.51
Rg 2,5-16% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film · with acoustic fleece	0.90	0.34	0.51	0.69	0.73	0.94	0.94	0.93	0.92	0.87	0.84	0.88	0.89	0.84	0.76	0.68	0.66	0.68	0.63
Rg 2,5-16% · 200 mm overall build-up · 40 mm polyester wool 20 kg/m³ · with acoustic fleece	0.90	0.35	0.57	0.71	0.76	0.97	0.98	0.96	0.95	0.91	0.86	0.87	0.90	0.86	0.80	0.72	0.66	0.63	0.56
Rg 2,5-16% · 200 mm overall build-up · 50 mm mineral-wool strips 50 mm wide 57 kg/m³ in PE film · with acoustic fleece	0.80	0.30	0.47	0.69	0.76	0.94	0.97	0.91	0.86	0.76	0.67	0.71	0.78	0.72	0.73	0.69	0.64	0.57	0.58
Rg 2,5-16% · 200 mm overall build-up · with acoustic fleece	0.80	0.24	0.38	0.54	0.69	0.90	0.94	0.89	0.93	0.88	0.71	0.65	0.76	0.71	0.70	0.68	0.61	0.58	0.55
Rg 2,5-16% · 200 mm overall build-up · with acoustic fleece	0.80	0.26	0.43	0.55	0.68	0.89	0.93	0.88	0.90	0.85	0.69	0.64	0.73	0.68	0.67	0.62	0.54	0.51	0.48
Rg 2,5-16% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film · without fleece	0.90	0.20	0.32	0.59	0.82	0.95	1.04	1.03	0.98	0.95	0.90	0.92	0.93	0.88	0.79	0.72	0.73	0.73	0.66
Rg 2,5-16% · 200 mm overall build-up · 40 mm polyester wool 20 kg/m³ · without fleece	0.95	0.20	0.31	0.53	0.79	0.90	1.01	1.03	1.03	0.99	0.94	0.91	0.95	0.99	0.97	0.97	0.94	0.96	0.91
Rd 1,5-22% · 200 mm overall build-up · with acoustic fleece	0.80	0.22	0.36	0.50	0.67	0.87	0.93	0.89	0.93	0.87	0.68	0.61	0.73	0.70	0.69	0.66	0.59	0.54	0.53
Rd 1,5-22% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film · with acoustic fleece	0.95	0.32	0.50	0.68	0.78	0.98	1.01	1.00	0.98	0.93	0.89	0.94	0.96	0.92	0.84	0.74	0.72	0.74	0.69
Rd 1,5-22% · 200 mm overall build-up · 40 mm polyester wool 20 kg/m³ · with acoustic fleece	0.95	0.31	0.50	0.69	0.82	1.03	1.06	1.04	1.03	0.98	0.93	0.93	0.97	0.94	0.89	0.80	0.74	0.71	0.66
Rd 1,5-6% · 200 mm overall build-up · with acoustic fleece	0.80	0.28	0.44	0.59	0.67	0.87	0.88	0.85	0.87	0.85	0.71	0.67	0.74	0.71	0.69	0.67	0.61	0.57	0.51
Rg 2,5-16% · 200 mm overall build-up · with acoustic fleece	0.80	0.23	0.40	0.55	0.69	0.89	0.94	0.89	0.94	0.92	0.74	0.67	0.77	0.77	0.75	0.78	0.73	0.70	0.68
Rg 2,5-16% · 200 mm overall build-up · 40 mm polyester wool 20 kg/m³ · with acoustic fleece	0.95	0.34	0.53	0.72	0.80	1.00	1.03	1.00	1.01	0.97	0.91	0.91	0.98	0.98	0.96	0.93	0.91	0.90	0.84
Rg 0,7-4% · 200 mm overall build-up · 30 mm mineral wool 46 kg/m³ in PE film · with acoustic fleece	0.55	0.17	0.25	0.23	0.25	0.27	0.34	0.42	0.51	0.58	0.66	0.72	0.74	0.77	0.76	0.71	0.66	0.60	0.54
2,5 x 2,0 x 0,5 x 0,5 · 200 mm overall build-up · with acoustic fleece	0.80	0.15	0.30	0.53	0.70	0.90	0.90	0.88	0.91	0.90	0.74	0.61	0.72	0.76	0.70	0.78	0.76	0.75	0.76
2,5 x 2,0 x 0,5 x 0,5 · 200 mm overall build-up · 40 mm polyester wool 20 kg/m³ · without fleece	0.95	0.18	0.28	0.51	0.78	0.89	0.98	1.03	1.01	1.00	0.95	0.87	0.96	1.02	1.00	0.99	1.03	1.05	1.04
Rd 1,8-21% · 200 mm overall build-up · 30 mm mineral wool 50 kg/m³ in PE film · without fleece	0.95	0.23	0.35	0.58	0.76	0.97	0.98	1.00	1.01	0.97	0.92	0.85	0.97	0.98	0.98	0.95	0.89	0.87	0.84
Rg 2,5-16% · 200 mm overall build-up · 30 mm mineral wool 50 kg/m³ in PE film · with acoustic fleece	0.95	0.30	0.48	0.72	0.80	0.98	0.92	0.95	0.95	0.90	0.88	0.92	0.97	0.96	0.93	0.86	0.82	0.80	0.79
16,0 x 8,0 x1,5x1,0 · 200 mm overall build-up · 15 mm polyester wool 20 kg/m³ · without fleece	0.70	0.11	0.20	0.30	0.44	0.59	0.68	0.75	0.79	0.75	0.66	0.60	0.74	0.82	0.79	0.86	0.87	0.90	0.90
16,0 x 8,0 x1,5x1,0 · 400 mm overall build-up · 15 mm polyester wool 20 kg/m³ · without fleece	0.65	0.22	0.39	0.65	0.63	0.69	0.62	0.52	0.46	0.60	0.70	0.70	0.75	0.81	0.83	0.87	0.88	0.91	0.92
16,0 x 8,0 x1,5x1,0 · 200 mm overall build-up · 40 mm polyester wool 20 kg/m³ · without fleece	0.95	0.19	0.32	0.57	0.79	0.97	1.01	1.01	1.04	0.99	0.94	0.88	0.96	0.99	0.99	1.01	1.01	1.04	1.04
16,0 x 8,0 x1,5x1,0 · 400 mm overall build-up · 40 mm polyester wool 20 kg/m³ · without fleece	0.90	0.31	0.66	0.95	0.82	0.92	0.92	0.84	0.75	0.90	0.98	0.96	0.96	1.00	1.02	1.04	1.03	1.05	1.06
Qg 15-62% · 200 mm overall build-up · with acoustic fleece	0.80	0.19	0.37	0.56	0.69	0.87	0.85	0.87	0.90	0.90	0.78	0.64	0.72	0.78	0.74	0.80	0.79	0.77	0.74
Rd 1,8-21% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film · with acoustic fleece	0.95	0.28	0.42	0.73	0.82	1.03	0.94	0.99	0.96	0.94	0.86	0.88	0.91	0.87	0.85	0.73	0.70	0.68	0.69
Rd 1,8-21% · 200 mm overall build-up · 30 mm mineral wool 45 kg/m³in PE film · without fleece	0.90	0.22	0.34	0.58	0.77	0.96	0.95	0.98	0.95	0.92	0.84	0.87	0.87	0.81	0.77	0.68	0.67	0.64	0.59
Rg 2,5-16% · 200 mm overall build-up · 20 mm polyester wool 20 kg/m³ · with acoustic fleece	0.95	0.28	0.46	0.72	0.80	0.96	0.91	0.99	1.01	1.02	0.85	0.83	0.93	0.92	0.93	0.92	0.90	0.86	0.83
22,0 x 12,0 x 2,0 x 1,5 · 200 mm overall build-up · 20 mm polyester wool 20 kg/m³ · without fleece	0.80	0.15	0.23	0.36	0.49	0.67	0.72	0.80	0.89	0.86	0.77	0.70	0.79	0.90	0.86	0.90	0.92	0.94	0.89
Rd 12-24% · 200 mm overall build-up · with acoustic fleece	0.80	0.23	0.37	0.60	0.69	0.88	0.81	0.90	0.95	0.95	0.77	0.66	0.73	0.77	0.73	0.77	0.75	0.69	0.63
Rg 12-12% · 200 mm overall build-up · with acoustic fleece	0.75	0.28	0.38	0.66	0.70	0.85	0.74	0.81	0.80	0.82	0.69	0.63	0.67	0.66	0.63	0.63	0.60	0.54	0.45
Rd 0,9-04% · 200 mm overall build-up · with acoustic fleece	0.75	0.27	0.42	0.66	0.72	0.89	0.78	0.86	0.87	0.87	0.69	0.63	0.69	0.66	0.62	0.62	0.58	0.53	0.48
Rd 0,9-14% · 200 mm overall build-up · with acoustic fleece	0.75	0.20	0.32	0.48	0.61	0.77	0.76	0.87	0.91	0.88	0.66	0.55	0.66	0.71	0.67	0.71	0.70	0.65	0.64
22,0 x 12,0 x 2,0 x 1,5 · 400 mm overall build-up · 20 mm Melaminharzschaum, 9 kg/m³ · without fleece	0.70	0.25	0.42	0.70	0.66	0.64	0.63	0.55	0.53	0.69	0.79	0.79	0.88	0.88	0.89	0.93	0.95	0.96	0.97
22,0 x 12,0 x 2,0 x 1,5 · 400 mm overall build-up · without fleece	0.70	0.37	0.61	0.86	0.71	0.77	0.78	0.66	0.60	0.68	0.70	0.68	0.72	0.74	0.75	0.77	0.73	0.69	0.65
22,0 x 12,0 x 2,0 x 1,5 · 200 mm overall build-up · without fleece	0.75	0.17	0.38	0.59	0.68	0.86	0.82	0.86	0.88	0.88	0.70	0.63	0.71	0.71	0.70	0.74	0.71	0.69	0.64
22,0 x 12,0 x 2,0 x 1,5 · 200 mm overall build-up · without fleece	0.70	0.20	0.38	0.65	0.68	0.83	0.77	0.82	0.79	0.80	0.65	0.60	0.65	0.63	0.62	0.63	0.59	0.55	0.52
Rg 2,5-16% · 200 mm overall build-up · 28 Stk. polyester wool - strips with 2400x25x50, 80 kg/m³; 7 strips/Kassette zwischen ALPs · with acoustic fleece	0.85	0.27	0.43	0.71	0.76	0.93	0.87	0.94	0.95	0.93	0.71	0.70	0.78	0.75	0.75	0.71	0.67	0.62	0.59
Rg 2,5-16% · 200 mm overall build-up · 20 mm polyester wool 20 kg/m³ · without fleece	0.80	0.14	0.24	0.36	0.52	0.70	0.77	0.86	0.90	0.84	0.76	0.70	0.82	0.90	0.87	0.89	0.89	0.88	0.85
Rg 2,5-16% · 200 mm overall build-up · with acoustic fleece	0.80	0.21	0.36	0.56	0.68	0.88	0.85	0.91	0.93	0.91	0.74	0.63	0.72	0.74	0.71	0.74	0.72	0.68	0.63
Rg 2,5-16% · 200 mm overall build-up · 20 mm Melaminharzschaum, 9 kg/m³ · without fleece	0.80	0.14	0.20	0.31	0.47	0.66	0.74	0.83	0.85	0.81	0.71	0.70	0.84	0.88	0.90	0.92	0.92	0.92	0.87

Measured values as a table (160 measurements)

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Last updated: 09/16/2026