The Frediani family started operating since the thirties, with grandfather Ernesto, in lapidarian field. In the sixties second generation started the first laboratory in Villalba di Guidonia and then moved to Tivoli. In the nineties brothers Gilberto and Mauro took over the laboratory in Tivoli, buying latest generation machines and choosing skilled workers, succeeded in increasing and improving family business. Activity is carried on inside two laboratories, the first one for marble slabs working, as hammering, sandblasting, polishing, smoothing, brushing, cement or putty or resins both transparent and coloured grouting, on one’s own account as well as for the account of a third part, and the second one for production of finished products: floors, coatings, thresholds, covers, bathroom tops or kitchen floors, solid works, engravings, inlays, frames. Our company commercializes blocks and marble slabs of any kind of lapidarian material, also has available on place an office for projects and technical advice.