Originally Posted by advNZer?
easiest way would prolly to have a post going to the roof.other ways could be a steel L bracket or two bolted/screwed to the floor(rebated in)
Its not exactly a high traffic area behind it though,looks barely high enough to walk in there
what he said with the steel bracket.
needs to be heavy enough to not flex much and screwed to a floor joist, not just the subfloor.
rebate=mortise ??....you can hide the bracket once flush under the floor covering. BTDT