Canadian Wood promotes five distinct wood species from B.C., Canada. They are S-P-F, Western hemlock, Douglas-fir, Yellow cedar and Western red cedar. All these five species are legally harvested, certified, and sourced from sustainably managed forests of British Columbia (B.C.), Canada. Each of these species is suitable for a wide range of indoor and outdoor applications. S-P-F, amongst these species is noted for its structural use.