The Girder is an I -Beam with flanges made of solid or spliced wooden bar and posts (wall) made of FSF or Fk plywood (wall thickness 24-27mm) installed with a tooth spike in the grooves of the shelves on glue.
GLued wooden girder are designed for load bearing as an element of formwork slab and wall and column formwork in the period of preparation and manufacture of monolithic reinforced comcrete structures of interstorey floors. walls and columns of residential, administrative, public and industrial buildings. It is allowed used of beams as floor beams, elements of wooden roofs (rafters,purlins, struts and underpinnings) of low-rise construction.