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Unread 04-17-2014, 12:58 PM   #1
emmae
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Shower Pan Drain Level

I just completed my first shower pan (preslope deck mud, liner and top layer deck mud) and my drain is flushed with the top layer deck mud. This means that my drain will be lower by the size of my tile and thinset. Should I be concerned?

Thanks,
Emma
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Unread 04-17-2014, 01:09 PM   #2
cx
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Welcome, Emma.

Yes.

Your drain should be just a tiny bit (1/32nd of an inch or so) lower than your shower floor tile.

You need to unscrew your drain to that level before tiling.

My opinion; worth price charged.
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Unread 04-17-2014, 01:09 PM   #3
Richard Tunison
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Hi Emma and welcome.

You want the drain top to be just a tad below the tiles. How thick are the tiles?

You can try to screw the drain barrel up or there are drain extenders that can raise the height of the strainer.

http://www.stonetooling.com/Extend-O...p/40-00179.htm

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Unread 04-17-2014, 01:10 PM   #4
Richard Tunison
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C.X. is back.
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Unread 04-17-2014, 01:26 PM   #5
emmae
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Thanks all for your response and advise. I thought of screwing the drain to make it higher, but afraid that it might cause a leak. The idea of drain extension is not bad either.

Once again, many thanks,

Emma
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Unread 04-17-2014, 01:34 PM   #6
Richard Tunison
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Screwing the drain up will not cause a leak. Hopefully you have enough threads left on it to do so.

May I ask how you waterproofed your shower walls?
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Unread 04-17-2014, 01:41 PM   #7
emmae
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I should have enough thread left to screw it up a bit. I used 1/2" HardieBacker Cement Backerboard for the walls, taped the sims with fiberglass mesh and thinset, and painted the whole wall and floor with red guard.
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Unread 04-17-2014, 01:43 PM   #8
emmae
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I also have Oatey Shower Pan Liner between the preslop and the final deck.
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Unread 04-17-2014, 01:54 PM   #9
04Rdking
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First, I ain't no pro.

All sounds good but the Redgard on the floor.... Will let the pro's chime in on that.

Shouldn't be a problem to unscrew the drain a few turns unless the deck mud has hardened..
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Unread 04-17-2014, 02:03 PM   #10
Richard Tunison
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Good catch Bill.

Emma, the last thing you wanted to do is apply Redgard to the shower floor. You have eliminated the purpose of the porous mud bed and liner and created a "moisture sandwich".

See if you can't peel it up.
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Unread 04-17-2014, 02:05 PM   #11
emmae
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I will try peeling it off before tiling the floor. I think I can peel it off. I hope I can peel it off. Thanks for the catch.
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