BobVila.com

As long as you mean OSB (Oriented Strand Board) type plywood that the builder used, (and not real 'particle board') you will have no problems.

OSB is engineered to have nearly the same performance characterstics than conventional plywood but with one major significant advantage: OSB is FAR cheaper than plywood and few builder use conventional plywood anymore for this reason.

OSB is much more environmentally friendly being able to use wood fibers that are otherwise just thrown away.

OSB...not what claimed to be.

OSBS

If money is the most important issue ...........

Will OSB be OK.

Thanks for the Input

BTW a Word on Price.