Stretched Fabric Membrane Ceiling Acoustic Properties \u2014 Absorption Coefficients (125Hz\u20134kHz)
Acoustically transparent fabric membrane stretched on a perimeter track with mineral wool above. Creates a seamless monolithic ceiling with high absorption. Available in hundreds of colours and printable surfaces.
Absorption Coefficients by Octave Band
| Frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 |
|---|---|---|---|---|---|---|
| α (absorption) | 0.10 | 0.40 | 0.70 | 0.85 | 0.85 | 0.80 |
RT60 Impact
Installing 25m² of membrane ceiling with 200mm mineral wool plenum in a 100m³ room reduces RT60 by approximately 0.40s at 500Hz
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Frequently Asked Questions
What is the NRC of Stretched Fabric Membrane Ceiling?
Stretched Fabric Membrane Ceiling has an NRC (Noise Reduction Coefficient) of 0.70, calculated as the arithmetic mean of absorption coefficients at 250, 500, 1000, and 2000 Hz per ASTM C423.
Where is Stretched Fabric Membrane Ceiling typically used?
Stretched Fabric Membrane Ceiling is typically used as a ceiling treatment. Acoustically transparent fabric membrane stretched on a perimeter track with mineral wool above.
How much does Stretched Fabric Membrane Ceiling reduce RT60?
Installing 25m² of membrane ceiling with 200mm mineral wool plenum in a 100m³ room reduces RT60 by approximately 0.40s at 500Hz
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