Support for tests of three series of beams made of glued wood produced by the Rezult company (Korosten) has begun in the laboratory of construction structures of XNUMG named after OHM. Beketov in Kharkiv. The test scheme and processing of the obtained results were carried out in accordance with the requirements of the current European standards EN408 and EN14358. It is necessary to know the specified strength class of wood for designing and calculating buildings according to the current DBN V.2.6-161:2017. Series of beams 5m, 6m and 8m long.