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Barrisol Acoustic stretch ceiling - A20 Acoperf
Acoustical ceiling A20 Acoperf®
This sheet can be used only to 100 mm, 200 mm or associated with a standard insulator or an acoustic insulator.
Technical information - A20 Acoperf®
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| Perforation | Features |
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Holes : 400 000/m² Hole diameter : ≈ 0,15 mm Perforation rate : ≈ 0,8 % Thickness : ≈ 0,18 mm Reference : A20 + ref. colour |
Acoustic performance - without insulation
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Acoperf® without insulation installed in a 100 mm cavity 
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Acoperf® without insulation installed in a 200 mm cavity 
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Acoperf® installed with 200 mm doubled of a standard non-perforated Barrisol® sheet
(in order to use it as a lacquer or as a printed ceiling for example)
Acoustic performance - with insulation
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Acoperf® installed with 100 mm cavity with 40mm insulation
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Acoperf® installed with 100 mm cavity with 80mm insulation
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| Sound absorption ratings | 100mm, |
200mm, without insulation |
200mm, doubled |
100mm, 40mm insulation |
100mm, 80mm insulation |
| Sound absorption average according to ASTM C423 - 01 | SAA = 0.48 | SAA = 0.52 | SAA = 0.32 | SAA = 0.86 | SAA = 0.99 |
| Noise reduction coefficient according to ASTM C423 -01 |
NRC = 0.50 | NRC = 0.50 | NRC = 0.35 | NRC = 0.90 | NRC = 1.00 |
| Weighted sound absorption coefficient according to DIN EN 11654 | αw=0,50 | αw=0,55 | αw=0,25 | αw=0,90 | αw=0,95 |
| Sound absorber class according to DIN EN 11654 | D | D | E | A | A |
