Page 17 - Laqfoil Acoustic Catalog
P. 17
Type 1: Microperforated Stretch Ceilings
Laqfoil Microperforated acoustic stretch ceiling membrane was tested at London’s Acoustical Investigation and Research Organization Ltd., which is accredited by UKAS laboratory. According to the certificate issued, #L/3220 of 26.01.2012, it was assigned to the D class of sound absorbent materials.
AIRO Test Number
PVC membrane type
EN ISO 11654:1997 Standard
Coefficient of absorption αω
Absorption Class
L/3220/1
High Gloss
.4
D
L/3220/2
Matte
.3
D
L/3220/3
Satin
.3
D
Large Diameter Perforated Stretch Ceiling
DIAMETER OF PERFORATIONS: 1.3mm
DISTANCE
BETWEEN PERFORATIONS: 0.8mm
DIAMETER OF PERFORATIONS: 1.0mm
DISTANCE
BETWEEN PERFORATIONS: 2.0mm
Microperforated Stretch Ceiling
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