FIELD: construction engineering; woodworking industry; construction of shaped wood beams. SUBSTANCE: beam, in particular wood one, has at least two longitudinal supporting projections, longitudinal adjusting slots to receive supporting projections similar to mentioned ones; locating slots are arranged on beam side opposite to supporting projections. Distance a from top edge of side surface of one supporting projection is found form equation 0,055H≅a≅0,27H; where H is beam width measured at the same point of side surface of beam as distance a. EFFECT: enhanced service life of beam and its parts; reduced cost. 4 cl, 2 dwg
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