What Does Window insulation Mean?
Two levels of drywall. Yet another way to obtain far better performance is to use a 2nd layer of 5/eight-inch drywall to 1 or both sides on the wall. This gives the surface far more mass, making it a lot less at risk of vibrate and transfer sound waves.*Minimum STCc or NIC has to be met Until established which the gear noise at the side of the soun