Spanish Cedar is from the Mahogany family. That is why many humidors are made with Mahogany type of wood with just a thin sheet of the cedar. I believe Mahogany has similar mold resistant and RH control as well. From what I read, the cedar keeps best control of the beetles cause they do not like it (although they do seem to hatch easily within cigar boxes, so I digress). If I were doing an entire room with walls and floors, I would go for cost effectiveness, FWIW that's my .02, but I am still new.