The invention relates to the field of construction, namely, to the structure elements of the buildings, and can be used in the construction of community facilities, residential and industrial use. An object of the proposed utility model is to provide an energy efficient and environmentally friendly building which used natural, natural materials and waste processed under these or other elements of the building, or used in pure form, reducing the weight of the building and the consumption of natural solid wood. This is possible due to lumber made of, for example, glued, jointed bars, planks; The metal frame of light steel thin-walled structures; due to recycling waste wood and pulp industries; due to partial use of the materials made from waste. The stated technical problem is solved in that the proposed solution of the base is fixed directly on the foundation and panel walls are connected with the base panel, wherein the panel base, walls, floors, roof elements and the roof are made of standardized elements and are interconnected by fastening elements which are mounted a tongue and groove joint at a predetermined distance from each other, and the ventilation and heating system is configured combined. 1 N.C., ZP 10 f-ly, 7 Fig ..
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