what size osb for flooring
OSB stands for oriented strand board. OSB has the appearance of giant cornflakes pressed together to form structural panels in sizes similar to plywood, such as 4' x 8' x 5/8. OSB: Floor Covering vs. Subfloor. Floor covering (or finish floor) is the term for the topmost, eventual floor--the floor that you walk on and see. Laminate, luxury vinyl, and ceramic tile are examples of floor coverings. OSB is generally unsuited as a floor covering: Appearance: OSB is not attractive enough to serve as a floor covering.