THERMAL AND ACOUSTIC INSULATION KIT INCLUDING A THERMAL AND ACOUSTIC INSULATION PRODUCT AND A MEMBRANE ON THE FRONT SIDE

摘要

The invention relates to a thermal and acoustic insulation assembly comprising: - a thermal and acoustic insulation product (1) made of mineral wool comprising a first face, called the front face (1a), intended to be turned towards the inside of 'a part, and a second face, called the rear face (1b), intended to be turned towards a wall (2), - a micro-perforated membrane (3) arranged on the front face (1a) of the product (1) d thermal and acoustic insulation. The invention significantly improves sound absorption while not degrading sound insulation.