The rooms and houses in America and other western countries require a definite mode of insulation in and around their house walls the reason is both from the sound as well the heat protection. If your teenage kid is not into reducing his drum and guitar practices or the church near by is definitely not going to stop their bells from ringing then in such cases it is a quite advisable step to be taken forward where you can have the sound insulation(in German schallschut) done inside walls of yo...