AcousticGyps M1 is a composite sound-insulating panel consisting of reinforced gypsum-fiber sheet of increased density and viscoelastic membrane. Wind-tight and vapour barrier covering provides mechanical stability. Used as a sound insulation layer in sheathed framed walls, ceilings, or partitions finished with sound insulation gypsum boards. Special design of the panel ensures high sound insulation and vibration-damping performance.