How to buy sound insulation sound insulation of the best sound insulation
Composite damping noise board can not be directly fixed heavier shape, must be fixed in the wall of light steel keel.
Layers should be reduced in the hole, if the gap on the wall and holes, will greatly reduce the volume of the partition wall, there are gaps and holes applied putty ash filled, scratched.
Wall noise treatment using vibration cushion + light steel keel + composite sound insulation board approach: mainly to reduce the sound waves on the wall of the impact of vibration cushion should be properly installed, can not loose the impact of the safety of the safety board.
As the sound back and forth in the cavity several times with the glass wool friction and heat consumption. Need to use 3-5cm, 24kg-48kg of centrifugal glass wool as a fire-filled sound-filled material, you can increase the volume of 5-8db.
As the sound back and forth in the cavity several times with the glass wool friction and heat consumption. Need to use 3-5cm, 24kg-48kg of centrifugal glass wool as a fire-filled material- filled material, you can increase the volume of 5-8db.
