WHAT DOES SECONDARY GLAZING FOR SOUNDPROOFING MEAN?

The extra ‘barrier’ furnished by noise decreasing secondary glazing can lessen noise stages dramatically by around 80% or the equivalent of 54dB. This window soundproofing influence lowers website traffic noise from a roar into a whisper.When you've got a trickle vent within your window, the sound can vacation throughout the vent. In case the s