MULTILAYERED BUILDING PANEL Russian patent published in 2020 - IPC E04C2/02 

FIELD: construction.

SUBSTANCE: invention relates to construction, namely to building panels, and can be used for construction of buildings and structures, enclosures, soundproof screens, mobile structures. Panel comprises a bearing layer of light concrete and an inner insulating layer, arranged in series on one side relative to the bearing layer, sound-absorbing layer of fibrous material, the protective layer of acoustically transparent material and a first outer layer made of perforated. On the other side of the bearing layer there is a second outer layer.

EFFECT: improved acoustic properties of the panel without increasing its geometric dimensions, improved strength characteristics, simplified design, increased operational reliability of panels and service life.

11 cl, 3 dwg