Fiberglass, Rockwool, Polyester, Cotton, and Sheep Absorption Coefficients

0.00 = no absorbtion.
0.50 = 50% absorbtion.
1.00 = 100% absorbtion.

Measurements are done according to a standard test method such as ASTM C423 or ISO. "In some cases, the measured sound absorption coefficient is greater than 1.00. As recommended by the test method, these values are reported as measured and not adjusted."
"Differences in coefficients of less than 0.15 are not significant."

"The absorption coefficients that are typically published for acoustical materials are found using the reverberation chamber method. This method yields random incidence absorption coefficients, which are not percentages. Normal incidence absorption coefficients are percentages. The two are often confused in the literature. A material that has a random incidence absorption coefficient of 1.22 is simply a better absorber relative to a material with a random incidence absorption coefficient of 0.67 for the same frequency band, all other factors being equal. The numbers should not, however, be treated as an indicator of the percentage of sound absorbed by the material." by Savant aka Jeff D. Szymanski

Owens Corning 700 series Rigid Fiberglass

Product thickness mounting density 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
701, plain 1" (25mm) on wall 1.5 pcf (24 kg/m3) 0.17 0.33 0.64 0.83 0.90 0.92 0.70
703, plain 1" (25mm) on wall 3.0 pcf (48 kg/m3) 0.11 0.28 0.68 0.90 0.93 0.96 0.70
705, plain 1" (25mm) on wall 6.0 pcf (96 kg/m3) 0.02 0.27 0.63 0.85 0.93 0.95 0.65
701, plain 2" (51mm) on wall 1.5 pcf (24 kg/m3) 0.22 0.67 0.98 1.02 0.98 1.00 0.90
703, plain 2" (51mm) on wall 3.0 pcf (48 kg/m3) 0.17 0.86 1.14 1.07 1.02 0.98 1.00
705, plain 2" (51mm) on wall 6.0 pcf (96 kg/m3) 0.16 0.71 1.02 1.01 0.99 0.99 0.95
701, plain 3" (76mm) on wall 1.5 pcf (24 kg/m3) 0.43 1.17 1.26 1.09 1.03 1.04 1.15
703, plain 3" (76mm) on wall 3.0 pcf (48 kg/m3) 0.53 1.19 1.21 1.08 1.01 1.04 1.10
705, plain 3" (76mm) on wall 6.0 pcf (96 kg/m3) 0.54 1.12 1.23 1.07 1.01 1.05 1.10
701, plain 4" (102mm) on wall 1.5 pcf (24 kg/m3) 0.73 1.29 1.22 1.06 1.00 0.97 1.15
703, plain 4" (102mm) on wall 3.0 pcf (48 kg/m3) 0.84 1.24 1.24 1.08 1.00 0.97 1.15
705, plain 4" (102mm) on wall 6.0 pcf (96 kg/m3) 0.75 1.19 1.17 1.05 0.97 0.98 1.10
703, plain 6" (152mm) on wall 3.0 pcf (48 kg/m3) 1.19 1.21 1.13 1.05 1.04 1.04
703, FRK 1" (25mm) on wall 3.0 pcf (48 kg/m3) 0.18 0.75 0.58 0.72 0.62 0.35 0.65
705, FRK 1" (25mm) on wall 6.0 pcf (96 kg/m3) 0.27 0.66 0.33 0.66 0.51 0.41 0.55
703, FRK 2" (51mm) on wall 3.0 pcf (48 kg/m3) 0.63 0.56 0.95 0.79 0.60 0.35 0.75
705, FRK 2" (51mm) on wall 6.0 pcf (96 kg/m3) 0.60 0.50 0.63 0.82 0.45 0.34 0.60
703, FRK 3" (76mm) on wall 3.0 pcf (48 kg/m3) 0.84 0.88 0.86 0.71 0.52 0.26
705, FRK 3" (76mm) on wall 6.0 pcf (96 kg/m3) 0.66 0.46 0.47 0.40 0.52 0.31
703, FRK 4" (102mm) on wall 3.0 pcf (48 kg/m3) 0.88 0.90 0.84 0.71 0.49 0.23
705, FRK 4" (102mm) on wall 6.0 pcf (96 kg/m3) 0.65 0.52 0.42 0.36 0.49 0.31
703, ASJ 1" (25mm) on wall 3.0 pcf (48 kg/m3) 0.17 0.71 0.59 0.68 0.54 0.30 0.65
705, ASJ 1" (25mm) on wall 6.0 pcf (96 kg/m3) 0.20 0.64 0.33 0.56 0.54 0.33 0.50
703, ASJ 2" (51mm) on wall 3.0 pcf (48 kg/m3) 0.47 0.62 1.01 0.81 0.51 0.32 0.75
705, ASJ 2" (51mm) on wall 6.0 pcf (96 kg/m3) 0.58 0.49 0.73 0.76 0.55 0.35 0.65
701, plain 1" (25mm) 16" air 1.5 pcf (24 kg/m3) 0.56 0.85 0.70 0.89 0.93 1.06 0.85
703, plain 1" (25mm) 16" air 3.0 pcf (48 kg/m3) 0.65 0.94 0.76 0.98 1.00 1.14 0.90
705, plain 1" (25mm) 16" air 6.0 pcf (96 kg/m3) 0.68 0.91 0.78 0.97 1.05 1.18 0.95
701, plain 2" (51mm) 16" air 1.5 pcf (24 kg/m3) 0.76 1.02 0.98 1.07 1.04 1.20 1.05
703, plain 2" (51mm) 16" air 3.0 pcf (48 kg/m3) 0.66 0.95 1.06 1.11 1.09 1.18 1.05
705, plain 2" (51mm) 16" air 6.0 pcf (96 kg/m3) 0.62 0.95 0.98 1.07 1.09 1.22 1.00
701, plain 3" (76mm) 16" air 1.5 pcf (24 kg/m3) 0.77 1.08 1.16 1.09 1.05 1.18 1.10
703, plain 3" (76mm) 16" air 3.0 pcf (48 kg/m3) 0.66 0.93 1.13 1.10 1.11 1.14 1.05
705, plain 3" (76mm) 16" air 6.0 pcf (96 kg/m3) 0.66 0.92 1.11 1.12 1.10 1.19 1.05
701, plain 4" (102mm) 16" air 1.5 pcf (24 kg/m3) 0.87 1.14 1.24 1.17 1.18 1.28 1.20
703, plain 4" (102mm) 16" air 3.0 pcf (48 kg/m3) 0.65 1.01 1.20 1.14 1.10 1.16 1.10
705, plain 4" (102mm) 16" air 6.0 pcf (96 kg/m3) 0.59 0.91 1.15 1.11 1.11 1.19 1.10
711, plain 1.7 pcf
1240 1.5" (38mm) A 4.0 pcf (64 kg/m3) 0.13 0.48 1.02 1.08 1.02 1.01 0.90
1260 1.5" (38mm) A 6.0 pcf (96 kg/m3) 0.18 0.62 1.08 1.08 1.03 1.07 0.95
1280 1.5" (38mm) A 8.0 pcf (96 kg/m3) 0.13 0.64 1.08 1.08 1.04 1.07 0.95
1240 2" (51mm) A 4.0 pcf (64 kg/m3) 0.20 0.61 1.07 1.06 1.04 1.07 0.95
1260 2" (51mm) A 6.0 pcf (96 kg/m3) 0.25 0.85 1.15 1.10 1.04 1.06 1.05
1280 2" (51mm) A 8.0 pcf (96 kg/m3) 0.32 0.90 1.11 1.07 1.01 1.05 1.00
1260 3" (76mm) A 6.0 pcf (96 kg/m3) 0.80 1.07 1.11 0.99 0.98 0.96 1.05
1240 4" (102mm) A 4.0 pcf (64 kg/m3) 0.88 1.14 1.17 1.08 1.06 1.10 1.10
1260 4" (102mm) A 6.0 pcf (96 kg/m3) 0.99 1.01 1.10 1.03 1.03 1.05 1.05
1280 4" (102mm) A 8.0 pcf (96 kg/m3) 1.11 0.91 1.07 1.03 1.06 1.07 1.00
1240 6" (152mm) A 4.0 pcf (64 kg/m3) 1.31 1.14 1.11 1.09 1.06 1.07 1.10


Owens Corning

I'm unable to find Absorption Coefficient information on SOFTR Aeroflex Plus Acoustical Duct Liner (rolls, black on one side).
Product thickness density mounting 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
SelectSound Black 150B Blanket 1" (25mm) 1.5 pcf (24 kg/m3) 0.10 0.34 0.64 0.87 0.91 0.91 0.70
Blanket 2" (51mm) 0.27 0.80 1.12 1.07 1.02 1.01 1.00
Sound Attenuation Batts 2.5" (63mm) A on wall 0.21 0.62 0.93 0.92 0.91 1.03 0.85
Sound Attenuation Batts 3.5" (89mm) A on wall 0.48 1.00 1.12 1.03 0.97 0.96 1.05
Sound Attenuation Batts 2.5" (63mm) E-405 16" 0.59 0.84 0.79 0.94 0.96 1.12 0.90
Sound Attenuation Batts 3.5" (89mm) E-405 16" 0.73 0.98 0.98 1.05 1.08 1.15 1.00
Black Acoustic Board 1" (25mm) A 0.06 0.25 0.62 0.91 0.99 0.98 0.70
Black Acoustic Board 2" (51mm) A 0.18 0.71 1.12 1.12 1.03 1.02 1.00
Sound Attenuation Fire Batt 1.5" (38mm) 0.23 0.42 0.89 1.00 1.03 1.03 0.85
Sound Attenuation Fire Batt 2" (51mm) 0.27 0.55 1.07 1.10 1.10 1.10 0.95
Sound Attenuation Fire Batt 2.5" (63mm) 0.25 0.77 1.10 1.12 1.04 0.98 1.05
Sound Attenuation Fire Batt 3" (76mm) 0.34 0.92 1.16 1.12 1.04 0.98 1.05
Sound Attenuation Fire Batt 3.5" (89mm) 0.41 1.01 1.20 1.14 1.06 1.05 1.10
Sound Attenuation Fire Batt 4" (102mm) 0.97 1.28 1.25 1.10 1.10 1.09 1.20
Aeroflex Duct 150 150 1" (25mm) 1.5pcf (24kg/m^3) A 0.15 0.25 0.45 0.68 0.79 0.81 0.55
Aeroflex Duct 150 1.5" (38mm) 1.5pcf (24kg/m^3) A 0.16 0.36 0.61 0.83 0.90 0.92 0.70
Aeroflex Duct 150 2" (51mm) 1.5pcf (24kg/m^3) A 0.20 0.53 0.79 0.94 0.95 0.97 0.80
Aeroflex Duct 200 0.5" (13mm) 2pcf (32kg/m^3) A 0.10 0.15 0.27 0.49 0.66 0.77 0.40
Aeroflex Duct 200 1" (25mm) 2pcf (32kg/m^3) A 0.11 0.28 0.49 0.70 0.81 0.86 0.55
Aeroflex Duct 200 1.5" (38mm) 2pcf (32kg/m^3) A 0.16 0.41 0.71 0.90 1.01 0.93 0.75
Aeroflex Duct 200 2" (51mm) 2pcf (32kg/m^3) A 0.20 0.55 0.87 1.00 0.95 0.95 0.85
Aeroflex Duct R-6 1.5" (38mm) 2.75pcf (44kg/m^3) A 0.14 0.41 0.80 0.97 1.01 0.94 0.80
Aeroflex Duct 300 0.5" (13mm) 3pcf (48kg/m^3) A 0.08 0.16 0.30 0.51 0.69 0.84 0.40
Aeroflex Duct 300 1" (25mm) 3pcf (48kg/m^3) A 0.07 0.26 0.54 0.85 0.96 0.90 0.65
Product thickness 100hz 125hz 160hz 200hz 250hz 315hz 400hz 500hz 630hz 800hz 1000hz
703 FG 2" 0.18 0.21 0.33 0.50 0.76 0.94 1.10 1.16 1.17 1.17 1.15
703 3" 0.29 0.42 0.76 1.02 0.21 0.29 1.30 1.27 1.20 1.15 1.14



Owens Corning Fiberglass Batts (fluffy pink), on the wall, and 16" from the wall

Product thickness mounting 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
Unfaced 2.5" R8 on wall 0.21 0.62 0.93 0.92 0.91 1.03 0.85
Unfaced 2.5" R8 16" air 0.59 0.84 0.79 0.94 0.96 1.12 0.90
Unfaced 3.5" R11 on wall 0.34 0.85 1.09 0.97 0.97 1.12 0.95
Unfaced 3.5" R11 16" air 0.80 0.98 1.01 1.04 0.98 1.15 1.00
Paper Out 3.5" R11 on wall 0.58 1.11 1.16 0.61 0.40 0.21 0.80
Unfaced 6.25" R19 on wall 0.64 1.14 1.09 0.99 1.00 1.21 1.05
Unfaced 6.25" R19 16" air 0.96 1.03 1.13 1.02 1.04 1.13 1.05
Paper Out 6.25" R19 on wall 0.94 1.33 1.02 0.71 0.56 0.39 0.90
Unfaced 12" on wall 1.14 1.09 1.09 0.99 1.00 1.21


Roxul Rigid Rockwool

Product thickness density 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
RXL 40 1" (25mm) 7.4 pcf (118 kg/m3) 0.07 0.32 0.77 1.04 1.05 1.05 0.80
RXL 60 1" (25mm) 7.4 pcf (118 kg/m3) 0.08 0.33 0.78 1.03 1.02 1.04 0.80
RXL 80 1" (25mm) 8.0 pcf (128 kg/m3) 0.11 0.31 0.82 1.01 1.02 1.01 0.80
AFB 1" (25mm) 3.0 pcf (48 kg/m3) 0.14 0.25 0.65 0.90 1.01 1.01 0.70
RXL 40 1.5" (25mm) 4.9 pcf (79 kg/m3) 0.18 0.48 0.96 1.09 1.05 1.05 0.90
RXL 60 1.5" (25mm) 6.0 pcf (96 kg/m3) 0.17 0.62 1.00 1.05 1.01 1.01 0.90
RHF / RHT 80 1.5" (25mm) 5.9 pcf (94 kg/m3) 0.17 0.58 1.06 1.07 1.00 0.99 0.95
RXL 80 1.5" (25mm) 8.0 pcf (128 kg/m3) 0.21 0.64 0.92 1.00 0.95 1.01 0.90
AFB 1.5" (33mm) 3.0 pcf (48 kg/m3) 0.18 0.44 0.94 1.04 1.02 1.03 0.85
RHT 40 1.5" (25mm) 3.5 pcf (56 kg/m3) 0.15 0.47 0.98 1.06 1.02 1.02 0.90
RHT 60 1.5" (25mm) 4.4 pcf (70 kg/m3) 0.19 0.55 1.03 1.06 1.02 1.01 0.90
RXL 40 2" (51mm) 4.0 pcf (64 kg/m3) 0.26 0.68 1.12 1.10 1.03 1.04 1.00
RXL 60 2" (51mm) 6.0 pcf (96 kg/m3) 0.32 0.81 1.06 1.02 0.99 1.04 0.95
RHF / RHT 80 2" (51mm) 5.9 pcf (94 kg/m3) 0.39 0.84 1.08 1.01 1.02 1.01 1.00
RXL 80 2" (51mm) 8.0 pcf (128 kg/m3) 0.43 0.78 0.90 0.97 0.97 1.00 0.90
Safe 2" (51mm) 4.5 pcf (72 kg/m3) 0.26 0.68 1.12 1.10 1.03 1.04 1.00
AFB 2" (51mm) 2.5 pcf (40 kg/m3) 0.28 0.60 1.09 1.09 1.07 1.07 0.95
RHT 40 2" (51mm) 3.5 pcf (56 kg/m3) 0.26 0.68 1.14 1.13 1.06 1.07 1.00
RHT 60 2" (51mm) 4.4 pcf (70 kg/m3) 0.26 0.71 1.14 1.09 1.04 1.03 1.00
RXL 40 3" (75mm) 4.0 pcf (64 kg/m3) 0.63 0.95 1.14 1.01 1.03 1.04 1.05
RXL 60 3" (75mm) 6.0 pcf (96 kg/m3) 0.78 0.89 1.04 0.98 1.01 1.02 1.00
RHF / RHT 80 3" (75mm) 5.9 pcf (94 kg/m3) 0.68 0.92 1.08 1.03 1.03 1.03 1.10
RXL 80 3" (75mm) 8.0 pcf (128 kg/m3) 0.75 0.82 0.89 0.94 1.00 1.00 0.90
Safe‘n’Sound 3" (75mm) 2.5 pcf (40 kg/m3) 0.52 0.96 1.18 1.07 1.05 1.05 1.05
Safe 3" (76mm) 4.5 pcf (72 kg/m3) 0.63 0.95 1.14 1.01 1.03 1.04 1.05
AFB 3" (75mm) 2.5 pcf (40 kg/m3) 0.52 0.96 1.18 1.07 1.05 1.05 1.05
RHT 40 3" (75mm) 3.5 pcf (56 kg/m3) 0.62 1.03 1.20 1.10 1.08 1.10 1.10
RHT 60 3" (75mm) 4.4 pcf (70 kg/m3) 0.65 0.94 1.13 1.07 1.06 1.04 1.10
RXL 40 4" (100mm) 4.0 pcf (64 kg/m3) 1.03 1.07 1.12 1.04 1.07 1.08 1.10
RHF / RHT 80 4" (100mm) 5.9 pcf (94 kg/m3) 1.00 0.95 1.06 1.04 1.06 1.08 1.05
Safe 4" (100mm) 4.5 pcf (72 kg/m3) 1.03 1.07 1.12 1.04 1.07 1.08 1.10
AFB 4" (100mm) 2.5 pcf (40 kg/m3) 0.86 1.11 1.20 1.07 1.08 1.07 1.10
RHT 40 4" (100mm) 3.5 pcf (56 kg/m3) 1.07 1.01 1.07 1.06 1.07 1.16 1.05
RHT 60 4" (100mm) 4.4 pcf (70 kg/m3) 0.92 1.04 1.07 1.07 1.07 1.08 1.05


Rockwool.com Note, Roxul may be a Canadian/USA subsiduary of Rockwool.

Product thickness density 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
RW5 1.25" (30mm) 100kg/m3 0.10 0.40 0.80 0.90 0.90 0.90
RW3 2" (50mm) 60kg/m3 0.11 0.60 0.96 0.94 0.92 0.82
RW6 2" (50mm) 140kg/m3 0.20 0.75 0.90 0.85 0.90 0.85
RW3 3" (75mm) 60kg/m3 0.34 0.95 1.00 0.82 0.87 0.86
RW5 3" (75mm) 100kg/m3 0.40 0.75 0.90 0.80 0.90 0.85
RWA45 45kg/m3
RW5 300mm gap 1.25" (30mm) 100kg/m3 0.40 0.75 0.90 0.80 0.90 0.85
RW6 300mm gap 2" (50mm) 140kg/m3 0.65 0.55 0.75 0.85 0.75 0.85


BBC 1992-10.pdf. Several good LF absorbers Helmholtz, Membrane studied here

Product thickness 40hz 50hz 63hz 80hz 100hz 125hz 250hz 500hz 1000hz 2000hz 4000hz 8000hz
RW2 fig3 10.6" (270mm) 1.05 1.45 1.18 1.05 1.07 1.05 1.10 1.00 0.95 0.95 0.90
RW2 fig3 7" (180mm) 0.40 0.65 0.85 1.25 0.95 1.10 1.00 0.95 0.95 1.00 0.90
A10 fig21,22 7.2" (184mm) 0.70 1.00 0.75 0.63 0.45 0.50 0.50 0.30 0.25 0.20 0.20


Johns Manville or here

Dennis Erskine likes for Home Theatre
  - 1" Coated Insul-Shield Black (IS Black)
  - 1" Linacoustic (use the roll type, not sheet type)
  - Picture of Linacoustic RC 1 inch, 100 ft x 47.5 inch roll, and a bit of GoM, provided by Clarence
Rod Gervais likes Superduct for duct lining
Product thickness density 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
Linacoustic RC 0.5" (13mm) 0.07 0.20 0.44 0.66 0.84 0.93 0.55
Permacote Linacoustic Standard 0.5" (13mm) 0.03 0.21 0.45 0.72 0.87 0.94 0.55
Polyester Insultone 0.5" (13mm) 0.05 0.10 0.18 0.28 0.39 0.48 0.25
Linacoustic RC 1" (25mm) 0.08 0.31 0.64 0.84 0.97 1.03 0.70
Permacote® Linacoustic® R-300 1" (25mm) 3.0 pcf (48 kg/m3) 0.04 0.26 0.69 1.00 1.07 1.02 0.75
Permacote Linacoustic Standard 1" (25mm) 0.09 0.31 0.67 0.91 1.01 0.98 0.70
Whispertone 1" (25mm) 6.0 pcf (96 kg/m3) 0.08 0.31 0.78 1.00 1.03 1.02
IS 150 1" (25mm) 1.5pcf (24kg/m3) 0.07 0.24 0.63 0.87 1.00 1.02 0.70
IS Black 1" (25mm) 1.5pcf (24kg/m3) 0.09 0.29 0.67 0.89 1.03 0.99 0.70
IS 225 1" (25mm) 2.25pcf (36kg/m3) 0.08 0.27 0.69 0.95 1.05 1.02 0.75
IS 300 1" (25mm) 3pcf (48kg/m3) 0.06 0.29 0.75 0.99 1.04 1.02 0.75
IS 600 1" (25mm) 6pcf (96kg/m3) 0.10 0.35 0.85 1.04 1.05 1.03 0.80
Polyester Insultone 1" (25mm) 0.08 0.18 0.33 0.49 0.61 0.66 0.40
Linacoustic RC 1.5" (38mm) 0.10 0.47 0.85 1.01 1.02 0.99 0.85
Permacote® Linacoustic® R-300 1.5" (38mm) 3.0 pcf (48 kg/m3) 0.14 0.52 1.01 1.07 1.03 1.97 1.90
Permacote Linacoustic Standard 1.5" (38mm) 0.21 0.53 0.90 1.03 1.01 1.00 0.85
IS 100 1.5" (38mm) 1pcf (16kg/m3) 0.15 0.37 0.81 0.96 1.04 1.01 0.80
IS 300 1.5" (38mm) 3pcf (48kg/m3) 0.13 0.62 1.07 1.08 1.06 1.04 0.95
IS 600 1.5" (38mm) 6pcf (96kg/m3) 0.14 0.60 1.01 1.08 1.06 1.05 0.95
Linacoustic RC 2" (51mm) 0.25 0.66 1.00 1.05 1.02 1.01 0.95
Permacote® Linacoustic® R-300 2" (51mm) 3.0 pcf (48 kg/m3) 0.26 0.73 1.10 1.10 1.04 1.03 1.00
Permacote Linacoustic Standard 2" (51mm) 0.20 0.57 1.02 1.03 1.02 1.03 0.90
IS 150 2" (51mm) 1.5pcf (24kg/m3) 0.24 0.68 1.10 1.13 1.10 1.07 1.00
IS Black 2" (51mm) 1.5pcf (24kg/m3) 0.23 0.73 1.05 1.13 1.06 1.07 1.00
IS 225 2" (51mm) 2.25pcf (36kg/m3) 0.19 0.88 1.15 1.14 1.10 1.07 1.05
IS 300 2" (51mm) 3pcf (48kg/m3) 0.24 1.00 1.11 1.08 1.06 1.05 1.05
IS 600 2" (51mm) 6pcf (96kg/m3) 0.38 0.93 1.10 1.07 1.07 1.07 1.05
IS 150 FSK 2" (51mm) 1.5pcf (24kg/m3) 0.25 1.09 1.11 0.58 0.26 0.12 0.75
IS 225 FSK 2" (51mm) 2.25pcf (36kg/m3) 0.32 1.17 1.00 0.75 0.42 0.26 0.85
IS 300 FSK 2" (51mm) 3pcf (48kg/m3) 0.41 1.13 0.85 0.73 0.38 0.16 0.75
IS 600 FSK 2" (51mm) 6pcf (96kg/m3) 0.49 0.26 0.68 0.47 0.33 0.22 0.45
TheaterShield Plus
812 1" (25mm) 1.5pcf (24kg/m3) 0.07 0.24 0.63 0.87 1.00 1.02 0.70
812 2" (51mm) 1.5pcf (24kg/m3) 0.24 0.68 1.10 1.13 1.10 1.07 1.00
813 1" (25mm) 2.25pcf (36kg/m3) 0.08 0.27 0.69 0.95 1.05 1.02 0.75
813 2" (51mm) 2.25pcf (36kg/m3) 0.19 0.88 1.15 1.14 1.10 1.07 1.05
814 1" (25mm) 3pcf (48kg/m3) 0.06 0.29 0.75 0.99 1.04 1.02 0.75
814 2" (51mm) 3pcf (48kg/m3) 0.24 1.00 1.11 1.08 1.06 1.05 1.05
815 1" (25mm) 4.25pcf (68kg/m3) 0.03 0.32 0.80 1.04 1.05 1.05 0.80
815 2" (51mm) 4.25pcf (68kg/m3) 0.27 0.91 1.11 1.09 1.09 1.09 1.05
817 1" (25mm) 6pcf (96kg/m3) 0.10 0.35 0.85 1.04 1.05 1.03 0.80
817 2" (51mm) 6pcf (96kg/m3) 0.38 0.93 1.10 1.07 1.07 1.07 1.05
Spin-Glas® Board 1" (25mm) 2.25pcf (36kg/m3) 0.08 0.27 0.69 0.95 1.05 1.02 0.75
Spin-Glas® Board 2" (51mm) 2.25pcf (36kg/m3) 0.19 0.88 1.15 1.14 1.10 1.07 1.05
Spin-Glas® Board 1" (25mm) 3pcf (48kg/m3) 0.06 0.26 0.61 0.86 0.99 1.03 0.70
Spin-Glas® Board 2" (25mm) 3pcf (48kg/m3) 0.17 0.80 1.16 1.15 1.11 1.10 1.05
Spin-Glas® Board 1" (25mm) 4.25pcf (68kg/m3) 0.03 0.32 0.80 0.86 1.04 1.05 0.80
Spin-Glas® Board 2" (25mm) 4.25pcf (68kg/m3) 0.27 0.91 1.11 1.09 1.09 1.09 1.05
Spin-Glas® Board 1" (25mm) 6pcf (96.2kg/m3) 0.10 0.35 0.85 1.04 1.05 1.03 0.80
Spin-Glas® Board 2" (25mm) 6pcf (96.2kg/m3) 0.38 0.93 1.10 1.07 1.07 1.07 1.05


IIG Intelligent Insulation (Calsite/Johns Manville Joint Venture)

Product thickness density 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
MinWool-1200 Industrial Board 1240 1.5" (38mm) 4 pcf (64 kg/m^3) 0.13 0.48 1.02 1.08 1.02 1.01 0.90
MinWool-1200 Industrial Board 1240 2" (51mm) 4 pcf (64 kg/m^3) 0.20 0.61 1.07 1.06 1.04 1.07 0.95
MinWool-1200 Industrial Board 1240 4" (102mm) 4 pcf (64 kg/m^3) 0.88 1.14 1.17 1.08 1.06 1.10 1.10
MinWool-1200 Industrial Board 1240 6" (152mm) 4 pcf (64 kg/m^3) 0.32 1.14 1.11 1.09 1.06 1.07 1.10
MinWool-1200 Industrial Board 1260 1.5" (38mm) 6 pcf (96 kg/m^3) 0.18 0.62 1.08 1.08 1.03 1.07 0.95
MinWool-1200 Industrial Board 1260 2" (51mm) 6 pcf (96 kg/m^3) 0.25 0.85 1.15 1.10 1.04 1.06 1.05
MinWool-1200 Industrial Board 1260 3" (76mm) 6 pcf (96 kg/m^3) 0.80 1.07 1.11 0.99 0.98 0.96 1.05
MinWool-1200 Industrial Board 1260 4" (102mm) 6 pcf (96 kg/m^3) 0.99 1.01 1.10 1.03 1.03 1.05 1.05
MinWool-1200 Industrial Board 1280 1.5" (38mm) 8 pcf (128 kg/m^3) 0.13 0.64 1.08 1.08 1.04 1.07 0.95
MinWool-1200 Industrial Board 1280 2" (51mm) 8 pcf (128 kg/m^3) 0.32 0.90 1.11 1.07 1.01 1.05 1.00
MinWool-1200 Industrial Board 1280 4" (102mm) 8 pcf (128 kg/m^3) 1.11 0.91 1.03 1.03 1.06 1.07 1.00


CertainTeed

Dennis Erskine likes for Home Theatre
  - AcoustaBlanket Black (rolls)
Product thickness density 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
ToughGard Duct Liner 200 0.5" (13mm) 0.04 0.10 0.24 0.41 0.56 0.73 0.35
ToughGard 2 Duct Liner 200 0.5" (13mm) 0.06 0.15 0.33 0.56 0.76 0.91 0.45
ToughGard Duct Liner 300 0.5" (13mm) 0.05 0.12 0.29 0.51 0.68 0.80 0.40
ToughGard 2 Duct Liner 300 0.5" (13mm) 0.05 0.12 0.29 0.51 0.68 0.80 0.40
AcoustaBlanket Black 200 0.5" (13mm) 2.0pcf (32kg/m3) 0.03 0.12 0.35 0.61 0.75 0.84 0.45
OEM Acoustical Board 5/8" (16mm) 0.03 0.10 0.38 0.66 0.80 0.90 0.50
OEM 250 5/8" (16mm) 2.5 pcf 0.03 0.11 0.37 0.65 0.79 0.88 0.50
OEM Acoustical Board 1" (25mm) 0.06 0.22 0.63 0.84 0.01 0.94 0.65
OEM 250 1" (25mm) 2.5 pcf 0.07 0.28 0.71 0.90 0.93 0.93 0.70
OEM 300 1" (25mm) 3.0 pcf 0.12 0.52 1.68 0.87 0.93 0.99 0.75
ToughGard 2 Duct Liner 150 1" (25mm) 0.14 0.29 0.55 0.77 0.94 0.97 0.65
ToughGard Duct Liner 150 1" (25mm) 0.10 0.28 0.50 0.70 0.82 0.83 0.60
ToughGard Duct Liner 200 1" (25mm) 0.10 0.29 0.53 0.72 0.83 0.84 0.60
ToughGard 2 Duct Liner 200 1" (25mm) 0.10 0.29 0.53 0.72 0.83 0.84 0.60
ToughGard Duct Liner 300 1" (25mm) 0.05 0.25 0.57 0.78 0.87 0.89 0.60
ToughGard 2 Duct Liner 300 1" (25mm) 0.05 0.25 0.57 0.78 0.87 0.89 0.60
475 Ultra-Duct Gold 1" (25mm) 0.04 0.20 0.70 0.98 1.05 1.01 0.75
800 Ultra-Duct Gold 1" (25mm) 0.07 0.22 0.77 1.00 1.03 1.05 0.75
AcoustaBlanket Black 150 1" (25mm) 1.5pcf (24kg/m3) 0.10 0.32 0.66 0.84 0.91 0.91 0.70
AcoustaBoard Black 225 1" (25mm) 2.25pcf (36kg/m3) 0.06 0.30 0.58 0.85 0.91 0.94 0.65
AcoustaBoard Black 300 1" (25mm) 3pcf (48kg/m3) 0.05 0.26 0.69 0.89 0.92 0.96 0.70
OEM 250 1.5" (38mm) 2.5 pcf 0.11 0.46 0.93 0.96 0.97 0.96 0.85
OEM 300 1.5" (38mm) 3.0 pcf 0.17 0.50 1.98 1.03 0.96 0.97 0.95
ToughGard Duct Liner 150 1.5" (38mm) 0.20 0.40 0.71 0.86 0.91 0.85 0.70
ToughGard 2 Duct Liner 150 1.5" (38mm) 0.16 0.47 0.77 0.96 1.04 1.00 0.80
ToughGard (and 2) Duct Liner 200 1.5" (38mm) 0.20 0.42 0.80 0.93 0.93 0.88 0.75
ToughGard (and 2) Duct Liner 300 1.5" (38mm) 0.20 0.46 0.82 0.94 0.95 0.91 0.80
800 Ultra-Duct Gold 1.5" (38mm) 0.14 0.46 1.02 1.10 1.07 1.05 0.90
AcoustaBlanket Black 150 1.5" (38mm) 1.5pcf (24kg/m3) 0.16 0.53 0.95 1.02 1.03 1.00 0.90
AcoustaBoard Black 225 1.5" (38mm) 2.25pcf (36kg/m3) 0.12 0.48 0.83 0.90 0.90 0.89 0.80
AcoustaBoard Black 300 1.5" (38mm) 3pcf (48kg/m3) 0.10 0.51 0.89 0.95 0.92 0.93 0.80
OEM 250 2" (51mm) 2.5 pcf 0.23 0.71 1.03 0.99 0.96 0.97 0.90
OEM 300 2" (50mm) 3.0 pcf 0.17 0.76 1.05 1.02 0.95 0.96 0.95
ToughGard (and 2) Duct Liner 150 2" (51mm) 0.22 0.49 0.83 0.89 0.89 0.91 0.80
ToughGard (and 2) Duct Liner 200 2" (50mm) 0.24 0.57 0.90 0.95 0.95 0.96 0.85
ToughGard (and 2) Duct Liner 300 2" (50mm) 0.27 0.72 1.04 1.02 0.96 0.92 0.95
800 Ultra-Duct Gold 2" (51mm) 0.17 0.76 1.05 1.02 0.95 0.96 0.95
AcoustaBlanket Black 150 2" (51mm) 1.5pcf (24kg/m3) 0.24 0.79 1.09 1.05 1.02 1.01 1.00
AcoustaBoard Black 225 2" (51mm) 2.25pcf (36kg/m3) 0.20 0.72 1.08 1.04 1.01 0.98 0.95
AcoustaBoard Black 300 2" (51mm) 3pcf (48kg/m3) 0.17 0.76 1.05 1.02 0.95 0.96 0.95
OEM 600 2.5" (63mm) 6.0 pcf 0.53 0.99 1.02 0.98 1.00 0.94 1.00
OEM 250 3" (75mm) 2.5 pcf 0.44 0.91 1.07 0.99 1.02 0.99 1.00
OEM 300 3" (76mm) 3.0 pcf 0.41 0.96 1.13 1.03 1.03 1.02 1.05
OEM 600 3" (76mm) 6.0 pcf 0.64 0.93 1.00 0.98 1.00 0.98 1.00
OEM 300 4" (101mm) 3.0 pcf 0.75 1.18 1.09 1.00 1.00 1.02 1.05


Knauf

Product thickness density 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
Rigid Plenum Liner 1" (25mm) 3.0 pcf (48 kg/m3) 0.13 0.24 0.56 0.83 0.92 0.98 0.65
Rigid Plenum Liner 1.5" (38mm) 3.0 pcf (48 kg/m3) 0.19 0.41 0.89 1.02 1.03 1.04 0.85
Rigid Plenum Liner 2" (51mm) 3.0 pcf (48 kg/m3) 0.33 0.67 1.07 1.07 1.03 1.06 0.95
Black Acoustical Board 2" (25mm) 2.25 pcf (36 kg/m3) 0.26 0.62 1.05 1.07 1.04 1.05 0.95
Black Acoustical Board 1" (25mm) 3.0 pcf (48 kg/m3) 0.13 0.24 0.56 0.83 0.92 0.98 0.65
Black Acoustical Board 1.5" (38mm) 3.0 pcf (48 kg/m3) 0.19 0.41 0.89 1.02 1.03 1.04 0.85
Black Acoustical Board 2" (51mm) 3.0 pcf (48 kg/m3) 0.33 0.67 1.07 1.07 1.03 1.06 0.95
Knauf Wall & Ceiling Liner M 1" (25mm) 1.5 pcf 0.18 0.36 0.59 0.86 0.95 0.90 0.70
Knauf Wall & Ceiling Liner M 1" (25mm) 2.0 pcf 0.25 0.35 0.69 0.89 0.96 1.01
Knauf Insulation United Kingdom Rocksil Slabs
Rocksil absorbtion data


Fibrex (data from FibrexAcousticalProperties.pdf)

Product thickness density 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
SAFB 1.5" (38mm) 0.23 0.42 0.89 1.00 1.03 1.03 0.85
FBX 1280 1.5" (38mm) 0.13 0.64 1.08 1.08 1.04 1.07 0.95
FBX 1260 1.5" (38mm) 0.18 0.62 1.08 1.08 1.03 1.07 0.95
FBX 1240 1.5" (38mm) 0.13 0.48 1.02 1.08 1.02 1.01 0.90
IF 1280 1.5" (38mm) 0.13 0.64 1.08 1.08 1.04 1.07 0.95
IF 1260 1.5" (38mm) 0.18 0.62 1.08 1.08 1.03 1.07 0.95
SAFB 2" (51mm) 0.27 0.55 1.07 1.10 1.10 1.10 0.95
FBX 1280 2" (51mm) 0.32 0.90 1.11 1.07 1.01 1.05 1.00
FBX 1260 2" (51mm) 0.25 0.85 1.15 1.10 1.04 1.06 1.05
FBX 1240 2" (51mm) 0.20 0.61 1.07 1.06 1.04 1.07 0.95
IF 1280 2" (51mm) 0.32 0.90 1.11 1.07 1.01 1.05 1.00
IF 1260 2" (51mm) 0.25 0.85 1.15 1.10 1.04 1.06 1.05
SAFB 3" (76mm) 0.43 0.91 1.17 1.10 1.07 1.04 1.05
FBX 1280 3" (76mm) 0.76 0.85 1.01 0.98 1.01 1.00 0.95
FBX 1260 3" (51mm) 0.80 1.07 1.11 0.99 0.98 0.96 1.05
FBX 1240 3" (76mm) 0.49 0.91 1.21 1.09 1.06 1.04 1.05
IF 1260 3" (76mm) 0.80 1.07 1.11 0.99 0.98 0.96 1.05
SAFB 4" (102mm) 0.97 1.28 1.25 1.10 1.10 1.09 1.20
FBX 1280 4" (102mm) 1.11 0.91 1.0701 1.03 1.06 1.07 1.00
FBX 1260 4" (102mm) 0.99 1.01 1.10 0.03 1.03 1.05 1.05
FBX 1240 4" (102mm) 0.88 1.14 1.17 1.08 1.06 1.10 1.10
IF 1280 4" (102mm) 1.11 0.91 1.07 1.03 1.06 1.07 1.00
IF 1260 4" (102mm) 0.99 1.01 1.10 1.03 1.03 1.05 1.05
FBX 1240 6" (151mm) 1.32 1.14 1.11 1.09 1.06 1.07 1.10


Ottawa Fibre Inc.

Product thickness density 80hz 100hz 125hz 160hz 200hz 250hz 315hz 400hz 500hz 630hz 800hz 1000hz 1250hz 1600hz 2000hz 2500hz 3150hz 4000hz 5000hz 6300hz NRC
OFI-40 1" (25mm) 2.5 pcf (40 kg/m3) 0.03 0.03 0.05 0.08 0.13 0.25 0.36 0.52 0.66 0.81 0.91 0.98 1.00 1.04 1.04 1.04 1.04 1.07 1.07 1.07 0.75
OFI-48 1" (25mm) 3 pcf (48 kg/m3) 0.03 0.03 0.05 0.08 0.13 0.25 0.36 0.52 0.66 0.81 0.91 0.98 1.00 1.04 1.04 1.04 1.04 1.07 1.07 1.07 0.75
OFI-64 1" (25mm) 4 pcf (64 kg/m3) 0.07 0.02 0.06 0.12 0.17 0.31 0.43 0.60 0.75 0.86 0.97 1.03 1.06 1.08 1.07 1.05 1.07 1.06 1.05 1.07 0.80
OFI-72 1" (25mm) 4.5 pcf (72 kg/m3) 0.07 0.02 0.06 0.12 0.17 0.31 0.43 0.60 0.75 0.86 0.97 1.03 1.06 1.08 1.07 1.05 1.07 1.06 1.05 1.07 0.80
OFI-16 1.5" (38mm) 1.1 pcf (17.62 kg/m3) 0.14 0.18 0.25 0.32 0.39 0.51 0.63 0.76 0.85 0.91 0.96 0.97 0.98 1.00 1.00 1.02 1.02 1.03 1.08 0.85
OFI-32 2" (51mm) 2 pcf (32 kg/m3) 0.11 0.11 0.23 0.38 0.50 0.71 0.86 0.97 1.05 1.09 1.11 1.11 1.11 1.09 1.06 1.04 1.05 1.07 1.09 1.10 1.00
OFI-40 2" (51mm) 2.5 pcf (40 kg/m3) 0.09 0.11 0.21 0.44 0.59 0.79 1.04 1.17 1.21 1.22 1.19 1.14 1.13 1.11 1.09 1.07 1.07 1.07 1.08 1.10 1.05
OFI-48 2" (51mm) 3 pcf (48 kg/m3) 0.13 0.19 0.21 0.33 0.50 0.76 0.94 1.10 1.16 1.17 1.17 1.15 1.12 1.11 1.09 1.06 1.09 1.08 1.11 1.06 1.05
OFI-64 2" (51mm) 4 pcf (64 kg/m3) 0.07 0.16 0.22 0.37 0.54 0.85 1.01 1.17 1.19 1.19 1.19 1.16 1.12 1.11 1.11 1.06 1.08 1.09 1.09 1.10 1.10
OFI-72 2" (51mm) 4.5 pcf (72 kg/m3) 0.02 0.24 0.32 0.50 0.71 0.95 1.08 1.14 1.19 1.18 1.15 1.11 1.07 1.05 1.04 1.01 1.02 1.02 1.00 1.01 1.05
OFI-28 2.5" (64mm) 1.8 pcf (28.83 kg/m3) 0.21 0.27 0.41 0.52 0.69 0.89 1.07 1.17 1.22 1.24 1.26 1.24 1.21 1.19 1.16 1.15 1.17 1.18 1.22 1.15
OFI-48 3" (76mm) 3 pcf (48 kg/m3) 0.23 0.29 0.42 0.78 1.02 1.21 1.29 1.30 1.27 1.20 1.15 1.14 1.10 1.10 1.09 1.06 1.07 1.07 1.08 1.09 1.20
OFI-16 3.5" (89mm) 1.1 pcf (17.62 kg/m3) 0.29 0.36 0.55 0.77 0.98 1.15 1.25 1.31 1.29 1.26 1.23 1.18 1.17 1.15 1.14 1.16 1.17 1.18 1.22 1.20
OFI-48 4" (102mm) 3 pcf (48 kg/m3) 0.55 0.69 0.92 1.17 1.24 1.24 1.23 1.22 1.19 1.16 1.13 1.10 1.11 1.11 1.09 1.06 1.06 1.06 1.06 1.08 1.15
OFI-16 6" (152mm) 1.1 pcf (17.62 kg/m3) 0.48 0.84 1.09 1.30 1.45 1.45 1.44 1.34 1.26 1.18 1.16 1.13 1.12 1.12 1.11 1.09 1.09 1.10 1.11 1.25
Product thickness density 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
OFI-40 FSK 1" (25mm) 0.20 0.61 0.72 0.98 0.68 0.30 0.75
OFI-48 FSK 1" (25mm) 0.15 0.71 0.70 0.89 0.65 0.39 0.75
BMC 1" (25mm) 0.05 0.28 0.72 0.95 1.02 1.01 0.75
OFI-40 FSK 1.5" (38mm) 0.60 0.74 1.17 0.96 0.57 0.33 0.85
BMC 1.5" (38mm) 0.11 0.50 1.04 1.09 1.07 1.06 0.95
OFI-48 FSK 2" (51mm) 0.51 1.10 1.13 0.82 0.53 0.33 0.90
BMC 2" (51mm) 0.17 0.78 1.17 1.12 1.09 1.08 1.05
BMC 3" (76mm) 0.56 1.23 1.29 1.15 1.09 1.08 1.20
BMC 4" (101mm) 0.87 1.32 1.24 1.14 1.10 1.09 1.20


Isover Industriplader Denmark

Product thickness density 50hz 63hz 80hz 100hz 125hz 160hz 200hz 250hz 315hz 400hz 500hz 630hz 800hz 1000hz 1250hz 1600hz 2000hz 2500hz 3150hz 4000hz 5000hz
IP1 50mm 30 kg/m3 0.02 0.05 0.03 0.12 0.08 0.33 0.47 0.63 0.75 0.95 1.00 0.99 1.01 1.02 1.03 0.99 1.02 0.97 0.95 0.91 0.89
IP2 50mm 60 kg/m3 0.03 0.05 0.03 0.11 0.12 0.38 0.66 0.81 0.94 1.10 1.11 1.03 1.02 1.00 1.02 1.01 1.00 0.96 0.95 0.91 0.86


IsoWool - British Gypsum-Isover

Product thickness 100hz 125hz 160hz 200hz 250hz 315hz 400hz 500hz 630hz 800hz 1000hz 1250hz 1600hz 2000hz 2500hz 3150hz 4000hz 5000hz
Multi Slab 50mm 0.18 0.17 0.31 0.48 0.45 0.55 0.76 0.80 0.88 0.86 0.89 0.92 0.96 0.97 0.95 0.99 0.94 0.91
HighPerf Slab 50mm 0.20 0.27 0.39 0.46 0.54 0.68 0.95 0.94 0.89 1.04 1.07 1.02 1.01 0.96 1.01 1.03 0.99 0.99


Isover Germany

Product thickness 125hz 250hz 500hz 1000hz 2000hz 4000hz
SSP2 2" 0.26 0.60 0.95 1.07 1.01 1.04


Ursa Germany

Product thickness 125hz 250hz 500hz 1000hz 2000hz 4000hz
AKP2/V 2" 0.22 0.53 0.99 1.05 1.03 1.04


Insulco Australia

Product thickness 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
ISB3 65mm 0.32 0.45 0.58 0.62 0.63 0.55
ISB4 75mm 0.38 0.56 0.68 0.70 0.69 0.82 0.65
ISB5 85mm 0.45 0.69 0.82 0.80 0.80 0.93 0.80
Acousti-Therm R1.5 65mm 0.32 0.66 1.03 0.97 0.97 0.89 0.90
Acousti-Therm R2.0 75mm 0.31 0.73 1.08 1.00 0.97 0.95 0.95
Acousti-Therm R2.5 95mm 0.43 0.98 1.25 1.10 1.02 0.98 1.10
Building Blanket R1.3 50mm 0.25 0.55 0.89 0.95 0.93 0.92 0.85
Vapa-Chek R2.0 foil 75mm 0.40 0.90 1.20 0.60 0.40 0.25 0.75
Ductliner (nil) 25mm 0.10 0.23 0.51 0.79 0.87 0.93 0.60
Ductliner (black matt) 25mm 0.11 0.26 0.57 0.82 0.92 0.95 0.65
Ductliner (Perf Foil) 25mm 0.10 0.24 0.64 0.87 0.95 0.82 0.70
Ductliner (nil) 50mm 0.24 0.61 1.00 1.07 1.03 1.04 0.95
Ductliner (black matt) 50mm 0.29 0.73 1.11 1.11 1.04 1.05 1.00
Ductliner (perf foil) 50mm 0.25 0.65 1.08 1.11 0.98 0.94 0.95
Semi Rigid IB (nil) 25mm 0.07 0.24 0.61 0.88 0.93 0.95 0.65
Semi Rigid IB (black matt) 25mm 0.07 0.25 0.63 0.89 1.00 0.99 0.70
Semi Rigid IB (perf foil) 25mm 0.08 0.22 0.63 0.93 1.01 0.87 0.70
Semi Rigid IB (nil) 50mm 0.41 0.84 1.02 1.25 1.22 1.16 1.10
Semi Rigid IB (black matt) 50mm 0.46 0.91 1.06 1.12 1.12 1.11 1.05
Semi Rigid IB (perf foil) 50mm 0.36 0.87 1.12 1.19 1.07 1.00 1.05
Semi Rigid IB (perf metal) 50mm 0.19 0.64 1.12 1.09 1.01 0.92 0.95
Semi Rigid IB (nil) 75mm 0.41 0.94 1.14 1.08 1.12 1.06 1.05
Semi Rigid IB (perf foil) 75mm 0.52 1.07 1.23 1.11 1.15 1.00 1.15
Semi Rigid IB (nil) 100mm 0.62 1.19 1.21 1.07 1.05 1.05 1.15
High Temp (nil) 25mm 0.07 0.24 0.64 0.92 0.97 1.01 0.70
High Density (black matt) 25mm 0.07 0.26 0.69 0.96 1.02 1.02 0.75
High Density (perf foil) 25mm 0.09 0.25 0.74 1.04 1.02 0.93 0.75
High Density (nil) 50mm 0.38 0.73 1.20 1.17 1.15 1.11 1.05
High Density (perf foil) 50mm 0.35 0.76 1.18 1.13 1.03 0.90 1.00
High Density (nil) 75mm 0.55 1.15 1.23 1.09 1.12 0.12 1.15


Autex Polyester Acoustic Blanket New Zealand

Product
Sound Absorption Coefficients
Frequency (Hz)
Density
(kg/m3)
Thickness
(mm)
125
250
500
1000
2000
4000
NRC
AAB 14-25
0.15
0.25
0.35
0.45
0.45
0.50
0.40
14kg/m3
25
AAB 14-50
0.35
0.50
0.65
0.70
0.70
0.70
0.65
14kg/m3
50
AAB 20-25
0.20
0.35
0.45
0.55
0.60
0.65
0.50
20kg/m3
25
AAB 120-50
0.25
0.50
0.70
0.80
0.80
0.80
0.80
20kg/m3
50
AAB 20-75
0.35
0.60
0.85
0.95
0.90
0.95
0.85
20kg/m3
75
AAB 20-100*
0.50
0.85
1.00
0.95
0.95
1.00
0.95
20kg/m3
100
AAB 25-25
0.15
0.30
0.50
0.65
0.75
0.75
0.55
25kg/m3
25
AAB 25-50
0.25
0.50
0.70
0.80
0.80
0.80
0.70
25kg/m3
50
AAB 25-75*
0.40
0.65
0.90
1.00
0.95
1.00
0.90
25kg/m3
75
AAB 25-100
0.50
1.00
1.10
1.05
1.05
1.05
1.00
25kg/m3
100
AAB 32-25
0.15
0.25
0.50
0.65
0.80
0.80
0.55
32kg/m3
25
AAB 32-50*
0.30
0.50
0.80
0.95
0.90
0.90
0.80
32kg/m3
50
AAB 32-75
0.20
0.55
0.90
1.00
1.00
1.00
0.90
32kg/m3
75
AAB 32-100
0.50
1.00
1.10
1.05
1.05
1.05
1.05
32kg/m3
100
AAB 35-25*
0.08
0.34
0.64
0.81
0.91
0.90
0.70
35kg/m3
25
AAB 35-50*
0.45
0.85
1.00
0.95
0.95
1.00
0.90
35kg/m3
50
AAB 40-25
0.10
0.20
0.45
0.65
0.80
0.80
0.55
40kg/m3
25
AAB 40-50
0.30
0.55
0.90
0.95
0.95
0.95
0.85
40kg/m3
50
AAB 40-75
0.25
0.60
0.95
1.05
1.05
1.00
0.95
40kg/m3
75
AAB 40-100
0.45
1.05
1.15
1.05
1.05
1.05
1.05
40kg/m3
100
AAB 48-25
0.15
0.35
0.60
0.75
0.85
0.95
0.65
48kg/m3
25
AAB 48-50
0.30
0.55
0.90
0.95
0.95
0.95
0.90
48kg/m3
50
AAB 48-75
0.40
0.80
1.15
1.10
1.05
1.05
1.05
48kg/m3
75
AAB 48-100
0.50
1.10
1.15
1.10
1.10
1.05
1.10
48kg/m3
100


Delta Insulation

Product thickness density 125hz 250hz 500hz 1000hz 2000hz 4000hz NRC
Sound Attenuation Board


CSR Bradford - Rockwool (Australia)

Product thickness density 125hz 250hz 500hz 1000hz 2000hz 4000hz 5000hz NRC Flow Resistivity
Acousticon 75mm kg/m3 0.14 1.02 0.82 0.42 0.38 0.29 0.38 0.65
Glasswool Anticon Roofing Blanket - R1.5 Thermofoil 55mm kg/m3 0.34 0.86 1.04 0.41 0.20 0.07 0.04 0.65
Glasswool Anticon Roofing Blanket - R2.0 Thermofoil 75mm kg/m3 0.60 1.21 0.90 0.41 0.28 0.10 0.12 0.70
Glasswool Anticon Roofing Blanket - R2.5 Thermofoil 95mm kg/m3 0.72 1.43 0.82 0.43 0.26 0.14 0.08 0.75
Glasswool Building Blanket - R1.2 50mm kg/m3 0.25 0.65 0.80 0.90 0.90 1.00 1.05 0.80
Glasswool Building Blanket - R1.8 75mm kg/m3 0.35 0.80 0.85 0.90 0.90 1.10 1.05 0.85
Glasswool Ceiling Batts 105mm kg/m3 0.60 0.98 1.03 1.05 1.14 1.10 1.09 1.05 0.5 x 10^4 mks Rayls/m
Glasswool Ductel - Perforated Foil 25mm kg/m3 0.06 0.38 0.93 1.10 1.10 1.00 0.87 0.88
Glasswool Ductel - BMF 25mm kg/m3 0.14 0.31 0.82 1.08 1.13 1.10 1.07 0.83
Glasswool Ductel - Perforated Foil 50mm kg/m3 0.35 0.91 1.15 1.12 1.08 0.93 0.85 1.06
Glasswool Flexitel - Nil/Plain 25mm kg/m3 0.13 0.31 0.55 0.76 0.88 0.95 0.98 0.62
Glasswool Flexitel - Perforated Foil 25mm kg/m3 0.13 0.33 0.75 0.99 1.12 0.94 0.89 0.80
Glasswool Flexitel - Nil/Plain 50mm kg/m3 0.42 0.64 0.92