Re: Replacing plank subfloor with plywood
Do yourself a favor and forget about using OSB. Plywood is much stronger and stable, plus, when it gets wet it doesn't lose all of it's structural stability. OSB is basically particle board, it swells like a sponge when wet, then it crumbles apart.
Originally Posted by Galileo007
You don't need to double up the subfloor, particularly since you are setting your own ledgers around the room, you will be able to accommodate plywood thickness and finished floor height. You will need to make sure your deflection is within tolerance if you want your tile to survive. Head on over the the John Bridge tile forum.
I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!