Page 30 - Coulisse Window Modes Fabric Binder 2021.1

Zones Clear Obstructed
view view ESSENTIAL
A 10% 10%
B A 5% 5% 10% 10%
C 1-3% 5%
10% 10%
B 5% 5% 5% 5%
D 5% 5%
5% 10%
C 1-3% 1-3% 5% 5%
1-3% 5%
E
5% 10%
D 1-3% 1-3% 5% 5%
5% 10%
10% 5%
E 1-3% 1-3% 5% 5% SCREEN 1-3-5-10%
NORTH 5% 1-3% 10%
EAST 3%
The compass card indicates the
right level of light transmission
WEST 3% according to the orientation of
SOUTH 5%
your facade.
f in Hz 125 250 500 1000 2000 4000 NRC SAA
0.05 0.02 0.18 0.33 0.22 0.28 0.20 0.19
α s

Sound absorption: The sound absorption coefficient (α s ) is the ratio of absorbed sound energy to the
sound energy occurring. Tested in audible range of 125 - 4000 Hz.
α s : Sound absorption by ISO 354.

SAA: This is the average absorption of sound waves from 12 octave frequencies ranging from 200 - 2500 Hz.

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