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toiking
08-11-2012, 12:05 AM
Hello everyone! My Fernco waxless started leaking after five years. I found out that the ABS flange was not level, below tile, and not anchored.

I removed the outside 4" ABS flange with a drill. In order to install the new flange (inside) correctly I plan to pour cement for anchoring.

1. Since the ABS turn is visible and only partially under concrete, can I pour concrete directly on top? Or should I put a layer of sand in between?
2. For concrete, can I use Quickrete water-stop cement?
3. Which flange type is better in the long run? Pure ABS or ABS/Stainless steel? Or should I use the gasket type since the drain may be crooked??

hj
08-11-2012, 08:48 AM
I hate to say this, well not really, but I think you "screwed up". IF the turn is tht close to the end of the pipe, you do NOT have enough pipe to make a good seal with an internal flange, nor do you have enough pipe to make any kind of external connection either.

toiking
08-11-2012, 11:33 AM
The top of the turn to lip of the outside ABS is 4.5". Is that not enough?