We remodeled an old trailer house. The floors were partially redone already, and we originally planned to use laminate flooring. Then we got the idea to use plywood. We sanded it ourselves and stained it with a dark walnut stain.
Just found my dream floor!made from wine boxes :-) Wooden wine box flooring.The German flooring company Parador created these floors based on ones found in old European wine cellars. They often used the wood from their discarded wine & fruit crates
DIY: How to Install a Brick Veneer Farmhouse Floor - this post shows how salvaged Durock and brick veneers were installed on a plywood base. This looks like an authentic 100 year old farmhouse floor - via 1900 Farmhouse: Kitchen Floor