A building, comprises sheets of wooden material with the external walls (10), internal walls (1), floor and/or roof boards (20) each made of wooden sheets and of a double- or multi-skinned form, thus comprising at least one inner sheet (2, 12, 22) and at least one outer sheet (3, 13, 23) which are separated by spacer elements (4, 14, 24) and connected to each other by the same. Cavities (5, 15, 25) are provided between the sheets (2, 3; 12, 13; 22; 23). The sheets forming the inner walls (1), the outer walls (10), the floor or roof boards (20) are, at least in one direction, in one piece throughout.