General objects have sound insulation effects, but we call the board with the average sound insulation (in an infinite space, an infinite material between the sound source and the measured point) over 30dB called the Composite aluminum foil flame retardant foam board. Sound insulation board is gener

When people are doing house decoration, they will consider the sound insulation of the house, and then they need to use the External wall fire insulation board. The sound insulation board has many advantages. Its sound insulation is very large, and its production and installation are not complicated

In daily life, at home or in some public places, after installing the Composite aluminum foil flame retardant foam board, the noise can be relatively reduced. Sound insulation board is widely used in daily life and plays an important role in sound insulation. Do you know the purchasing method and ad