WHAT DOES SECONDARY GLAZING FOR SOUNDPROOFING MEAN?

You will get exceptional final results with simply a 4mm glass, using an air gap of 150mm you could reach a 48dB seem reduction.When you have a trickle vent with your window, the audio can travel through the vent. In the event the seals in the double glazing are degrading and gaps are increasingly being formed, the sound can vacation by means of th