Can be aquired from basically from any hardwood flooring manufacturer. When they bring the raw stock in it is ripped to the correct width which usually results in numerous long pieces of waste material anywhere from 1/2 in. to 1 1/2 in. wide. Its all one thickness and can be easily stacked on a trailer. One trailer load can build a lot of structure.
Any building contractor will generally know where flooring manufacturers are located.
