MULTILAYERED BUILDING MEMBER Russian patent published in 2006 - IPC E04B1/80 E04C2/52 

FIELD: building units, particularly multilayered building members.

SUBSTANCE: building member consists of central layer and outer layers arranged from both opposite sides of central one. The central layer is made of rock wool strips extending along the building member length and the surface layers are applied to the central one by gluing thereof to opposite central layer sides. The central layer includes at least two strips having different properties, namely fire-resistance, strength and rigidity. At least one strip having strength or strength and fire-resistance or rigidity exceeding that of another one is provided with at least one separate channel adapted to convey heat, water and air or to guide power cords, communication lines and/or means to receive building frame members, which permits building frame member concealing inside the building wall. The building member may be joined with adjacent one to form continuous channel and/or building frame member receiving means between building members.

EFFECT: improved structural and technological properties.

6 cl, 5 dwg