Elastomer vs Neoprene

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Tim454

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I was curious if an elastomer gasket would work for a wall hung toilet? The shop that sold me the toilet also sold me the elastomer gasket (because that's what they had), and said that it would most definitely work for a wall mounted toilet because it wasn't wax, and would still maintain a seal even if there was slight movement.

I haven't seen much of these gaskets mentioned on any forums. I've also read on here that neoprene is the correct choice. I was able to source a Zurn neoprene gasket at a local Grainger but they want like $80.

Do you folks think I'd be fine with the elastomer gasket or should I pay the extra money for the Zurn neoprene? I'm just a DYIer with a little over $550 for the toilet, tank, seat (all 3 separately) , and Zurn mounting nuts.

Also when tightening the mounting nuts, is it best to leave one of the upper or lower nuts hand tight?
 

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Breplum

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Sloan and Zurn had been industry standard for decades.
The elastomeric products are new to me but since they come in a variety of thicknesses, looks quite viable.
When four bolt wall mount WC are done by the book/mfrs instructions, and the adjustable depth set exactly as per spec., then the kits we have used from the mfrs are fine. But a neo gasket should be under $20. and never $80.
 

Tim454

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Sloan and Zurn had been industry standard for decades.
The elastomeric products are new to me but since they come in a variety of thicknesses, looks quite viable.
When four bolt wall mount WC are done by the book/mfrs instructions, and the adjustable depth set exactly as per spec., then the kits we have used from the mfrs are fine. But a neo gasket should be under $20. and never $80.

Thank you for the reply.

I know the waste horn should be out 5/8 from the finished wall, and the rear nuts and washers should sit flush with the wall. I also bought a 3/4" and a 1/2" gasket (they're stackable) incase the depth isn't right and can't be adjusted.

Unfortunately I can only seem to find the Zurn neoprene gasket on Amazon and locally at Grainger but both places have it listed at $79. That price seemed extremely high so I was hoping the elastomer gaskets would work. Guess I might roll the dice with the elastomer gasket, I'd just hate to get a leak and have to redo everything over again.

I did some more digging and think I found Terry mention that it should be one of the top nuts hand tight and not the bottom, but can't seem to find it again. Am I correct on that?
 
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