1.Excellent performance in acoustic and thermal insulation. 2.Factory directlly sell. 3 ... supplying ability. Mass loaded vinyl barrier can be used in soundproof,walls,ceilings,industry,constraction,home appliances,mechanical equipment,etc ... foam,mineral fiber,glass fiber,etc.Acoustic ApplicationsCommon wallsPlaced over drop-in ceiling systemsNew construction/between studs.Where ever Sound Transmission ...