How to install damping sound insulation felt
Keel on the installation of poly-mao acoustic insulation board (two-layer board folder sound insulation felt, sheet and sound insulation stitching treatment), noise board between the seams and sound insulation board and roof, floor joints for construction sealant seal.
Noise board installed C100 light steel keel, keel on the inside of the nail pad a layer of sound insulation felt, to avoid rigid connection, keel gap filled with weight 40,35 two-layer sound-absorbing cotton
1, along the wall laying sound insulation felt, seam at the pressure seam processing;
???? 2, the installation of vibration keel, wedge around 600mm; keel gap filled with cotton;
???? 3, vibration-proof keel installed on the noise board (two-layer board clip insulation felt, sheet and sound insulation stitch treatment)