Pleasurable truth: with very well above a dozen subspecies during the US on your own, purple oak flooring is so frequent, it’s considered the business median for hardness.  Though an installer doesn’t have to be a member of a company, much like the Australian Timber Flooring Association (ATFA), it shows https://docs.google.com/document/d/1ZrUqcOJowFTTsHt0XXfP1VZ0hLfpNa6zcOvm2yCFdiw/pub