I bought a new shower/tub surround that specs the alcove to be 60-1/8" between rough-in walls. Based on that, the center of the toilet drain (fixed into the concrete floor) to the rough wall would be 10-3/8", assuming a straight 90-degree wall. I plan to use 1/2" greenwall reducing this new distance to 9-7/8". I havn't purchased a toilet yet but I'm concerned there may not be enough space. Would it be better to purchase a toilet before installing the wall? When I looked at other installed toilets each had various sized gaps (1/8" to
1-1/4") between the tank and the wall. My other options might be
- Using thinner greenboard or panels for walls
- Slightly angle the wall to make a toilet-to-wall custom fit
- Put a small jog in the wall
What makes this so confusing is all the different toilet dimensions.