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OK, I'm back. We opened up the floor today after getting our flooring this morning so I could put it down before the toilet. We didn't get that far. The whole thing was incredibly cobbled together with bits and pieces of this and that. I can't put 2x4's on end to use to box things in because they will stick up above the floor level, so need to put the plywood down in one piece. That leads directly to the problem of the white coupling and flange being glued on and me not sure there's enough of the black ABS toilet pipe under them so I can glue on a new - what? Piece of pipe, coupling ? There is only an 1 and 7/8" from the bottom of that white pipe fitting to the top of the horizontal part of the black pipe. I've been looking at some flange repair videos on YouTube, and now I know that the straight pipe that the white coupling is glued to is female/female, and so probably 4" diameter. Is the white part part of the flange?
Then I put the ply down and put the flange down on top of that? It's the pipe, coupling (or no coupling) and flange part I'm not getting in this case. It's not clear either in other posts I've looked at and in Mark's book whether or not the (extra pipe piece? coupling of some sort?) thing goes INSIDE the black sewer pipe or OUTSIDE the pipe. I'm guessing Outside, as the white coupling that is holding the flange is on the outside of our pipe?
So when I get that all taken care of, there's the matter of no room for 2x4's to box things in for strength. I would like to add some if possible, and see they had laid some on their wide sides. I thought that wasn't as strong as using 2x4's on their short sides, but if I throw a few in there where the piping for the inlet is and under where the toilet sits, will it add at least a bit of support? Or should I do something else?
Then there's the mess under the green board wall to the left of the toilet. I was thinking I'd carefully (there's a switch up there for the light) snap a line and cut away a few inches up from the bottom and clean it out, put the plywood under there and sister things back to the existing wall studs from there. Does this sound like a good plan?
I was discouraged when we opened up the floor, but at least what they left of the joists are not rotten, so that is good. And I'm stubborn, so I WILL see this project through to a satisfying end… or else
![Mr. Green :mrgreen:](./images/smilies/icon_mrgreen.gif)
Thanks for all the help!!!
(And is it ever helpful to have a sister with two bathrooms who is you next door neighbor!)
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