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amakarevic 06-16-2008 01:04 PM

custom-build utility tub on concrete floor
this thing is going to be something like a floor tub in a janitorial station, i.e sitting on a concrete floor and will be finished with tile.

but i was wondering whether water will be making its way through the grout and soaking the concrete and whether that will eventually cause breakage ?

i know that when building tiled custom showers on wooden platforms, there is a PVC liner that is placed below (?) the cement board to stop leakage. but i do not know how i would incorporate something like that straight on concrete ?


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RippySkippy 06-16-2008 02:01 PM

I would make the basin out of what ever you wanted 2x and plywood, then build the liner from Kerdi and tile as normal. Make a mud bed for the floor sloped like a shower, kerdi the bottom up the sides over the top and down the front, onto the existing cement floor.

amakarevic 06-16-2008 02:19 PM

are you saying put the liner over concrete, then mud bed, then tile over ?

confused (but thankful).

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RippySkippy 06-16-2008 03:02 PM

No; mud bed, kerdi, tile.

amakarevic 06-16-2008 03:06 PM

is kerdi the PVC liner ?

how do you make a mud bed ? what is it made of ?

RippySkippy 06-17-2008 07:36 AM

Here's a great resource for the mud and kerdi is not like any PVC liner you'll ever use. The pros will argue it's better since it creates a water proof barrier between the tile thin-set and the substrate. Here's a brochure about the product, and a detailed drawing of the installation. Google for online sources, some local places may carry it, but I've had better luck on line.

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