OWAtecta® perforations
OWAtecta® metal tiles are available with different hole sizes: from coarse to the finest perforations - according to acoustic and formation requirement.
Perfora
 Diameters: 0,5 mm 0,64 % open area
Rg0701
 Diameters: 0,7 mm 1 % open area
Rd1511
 Diameters: 1,5 mm 11 % open area
Rd1522
 Diameters:1,5 mm 22 % open area
Rg1821
 Diameters:1,8 mm 20,8 % open area
Rd2508
 Diameters: 2,5 mm 8 % open area
Rg2516
 Diameters: 2,5 mm 16 % open area
Rg3013
 Diameters: 3,0 mm 12 % open area
Rd3013
 Diameters: 3,0 mm 13 % open area
Rg3027
 Diameters: 3,0 mm 26,5 % open area
Rd3025
 Diameters: 3,0 mm 25,1 % open area
Rg3529
 Diameters: 3,0 mm 28,6 % open area
Rd4011
 Diameters: 4,0 mm 11 % open area
Rg4022
 Diameters: 4,0 mm 22 % open area
Rg14023
 Diameters: 14 mm 23 % open area
Qg4025
 4 x 4 mm 25 % open area
Qg8043
 8 x 8 mm 43 % open area
Qg101062
 10 x 10 mm 62 % open area
Lg25042
 25/3 mm 42% open area variable
Lg42003
 42/2 mm 3% open area variable
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International
