Prefabricated components for making floor slabs, floors and walls with
exposed wood beams for small buildings comprising laminated panels with
at least two mutually opposite edges that are affected by longitudinal
grooves; laminated wood beams being provided in an upper region with
coupling elements for respective central metallic lattices and with at
least one supporting ridge for the ends of the panels that have grooved
edges; the beams, the lattices and the converging grooved edges being
mutually coupled by casting conglomerate.