standard: Supplied in rolls 1 meter wide and 6 meters long with 3 mm thickness.It can be cut with a cutter and special tools are not required for handling it. Can use gluewater to fix with wall directly. Then make woodblock or plasterboard outside. Usage: Residential buildings, De Luxe five star hotels, hospitals, factories,office building, etc.
Acoustic reduction: without anything, just GOMA G can improve :Rw (C; Ctr)：29DB。