HOW MUCH YOU NEED TO EXPECT YOU'LL PAY FOR A GOOD NOISE REDUCTION

When setting up guarantee There may be an air gap concerning the window and the secondary glazing acrylic, the larger sized the air hole, the greater the insulation and noise reduction.Ruang kedap udara ini berfungsi sebagai peredam suara dan tidak meneruskan suara masuk ataupun keluar.Kaca double glass digunakan untuk jendela kedap suara seperti