Gyproc Gyptone Big Board - Quattro 41
Gyptone Quattro 41 is a perforated gypsum board with square holes punched in the back with an acoustic tissue.
Square holes of 12mm X 12mm with a perforation area of 16%.
Noise Reduction Coefficient (NRC): 0.6 to 0.75 (depends on construction height)
0.24 (W/m°K )
|WIDTH (MM)||LENGTH (MM)||EDGE TYPE|
|12.5 mm board|