Im doing a complete bathroom remodel. Im completing gutting it to studs. My plan is to run a little bit of electrical, replace the piping with PVC or Pex, then use Green Board for the walls, place a new tub on a mortar base with shower walls, then place a new sink vanity with top, and use the same toilet but with new rubber seals and wax. My question is for the floor would rolled vinyl sheet be good enough for mold and moisture control? Also what should the ceiling be just green board? Should some kind of plastic sheet go over the ceiling green board or should I use something else entirely? Also do I need to have sheetrock behind the shower or should I use something called backer board? Should I put backer board under the then place mortar down? As for outside wall insulation would plain Roxul work fine and not mold? My main goal with this bathroom remodel and keeping mold out. Any suggestions would be great.
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