Rmundo
New Member
I am the middle of a bath renovation and getting ready to start tiling. I had a plumber complete the rough plumbing for the new shower, relocate the sink drains and remove the old toilet flange so a new on can be placed on top of the finished floor. I don't know what I measured when I cut the hole in the subfloor for the toilet drain, but you can see in the picture that it is off center, resulting in a big gap on the right. This is a full sheet of Advantec that goes uner the new shower pan. I marked all possible screw locations depending on the flange orientation and all on the right side fall 3/8" fron the edge to the center of the screw hole. The plUmber came back to finish some supply piping and didn't seem concerned. Is this sufficient for the flange screws to "bite" into? I plan on installing 1/2" backer board and 3/8" porcelain tile on top of this.
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