We live in a semi-detached house that is nearly 90 years old. Our new neighbours have a state of the art TV which was clearly audible in our living room and another which was somewhat audible in our bedroom. Knox I & R pumped insulation into the common wall in the bedroom and the hallway, and built a one and a half inch thick sound barrier wall in the living room. It was successful at reducing the sound to near zero. We are very happy with the outcome. The price was fair and reasonable. The work crew cleaned up after themselves every day.
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