SIMPLE ROOFS
70,6 dB
Coverib
70,5 dB
Fibercement
84,4 dB
Steel
89,1 dB
Aluminium
Aluminium +
felt
89,2 dB
SANDWICH PANEL ROOFS
57,0 dB
Coverib
+ steel
60,4 dB
Coverib
+ Fibercement
63,8 dB
Double steel
sheet
68,4 dB
Steel Fibercement
65,9 dB
Aluminium
Fibercement
PANELS
75,4 dB
Coverib
83,0 dB
Double steel
sheet