Reception Sleepers Appliance Wood Floor Construction timber Contact Select a page SA Bois impégnés was created in 1919 by several logging companies in the South West of France. For 4 generations the Impregnated Woods are used as sleepers and apparatus wood for railway establishments in Europe. Since 1919, “BI” have been the benchmark in terms of technological development: treatment in “brown”, use of type C creosote, manufacture of wood for the most complicated custom-made devices. The “BI” never stop innovating and anticipating the demands of its customers. SNCF SUPPLIER Realized by specialisteinternet.fr Legal notices