SOUND INSULATION ELEMENT CONSISTING OF AT LEAST TWO LAYERS, METHOD FOR THE FIREPROOFING THEREOF AND USE THEREOF

摘要

The invention relates to a sound insulation element comprising at least two layers, wherein one layer is a carrier layer (3) and the other layer is a flexible layer (2) made of a sponge fabric or sponge. The carrier layer (3) is made of perforated plasterboard or a metal sheet with elongated holes or can be made of a full sheet of plasterboard or a flexible mesh.