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Unread 04-26-2012, 09:27 PM   #1
DavidTu
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Join Date: May 2011
Posts: 4
Plumbing rough-in need your bestimates

We will eventually be installing a natural stone tile in the shower and on a wall backing a clawfoot tub. We need to set our rough-in plumbing valves and nipples at the right setback from the finish wall... which begs the question: how thick will the various layers end up being?

For the standalone shower we will have regular 1/2" sheetrock, Kerdi, thinset mortar, and 3/8" thick natural stone 16x16" tile, what are the thicknesses of the various layers from the studs to the finish surface?

For the tub wall (this is just a wall behind a clawfoot tub--not a tub surround--and no overhead shower), the tub filler is wall-mounted... so 1/2" Densshield, thinset mortar, 1/2" thick 16"x24" natural stone tile, what are the thicknesses of the various layers from the studs to the finish surface?

I'm sure there is some room for variation... just need your best guess for now.

Also, what is a good guess for a shower pan thickness? Right now we have 16" o.c. 2x10 floor joists, and 3/4" T&G sub-floor. (The shower is an odd L-shape so I don't think we can use the Schulter shower pan product and would have to use a traditional methodology.)

Thanks!
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