BUILDING EXTERNAL WALL DECORATING PLATE HAVING GOOD NOISE REDUCTION EFFECT

摘要

A building external wall decorating plate having a noise reduction function, comprising a building external wall decorating plate body. A nose reduction cavity is provided in an inner cavity of the building external wall decorating plate body. The inner cavity of the noise reduction cavity is provided with a noise reduction layer. By configuring the noise reduction cavity, the noise reduction layer, a fiber board layer, a gypsum board layer, an aluminum foil sound insulation cotton layer, a waterproof layer, a waterproof polymer coating, a waterproof polyurethane coating, and a waterproof polyurea coating, advantages in a noise reduction effect and waterproof performance of a building external wall decorating plate are improved.