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Old 08-06-2011, 12:19 PM   #31
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repair durock imperfections before tiling


I'm on to the bathroom floor -- it's very small, about 3' X 5'. There is 1 X 6 slanted subfloor, and I've put 3/4 ply on top of that. I read that Durock is recommended on top of that, but I can't afford more height (HD only carries 1/2 inch).
l was thinking of Redguarding the plywood prior to tiling. Would that work? Or would any water just sit on that and degrade the thinset somehow?

Any other suggestions on how to get that ready for tile without adding height?

Using 1 inch hex.

thanks again! Taran

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Old 08-07-2011, 02:32 PM   #32
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repair durock imperfections before tiling


Water won't be "degrading" thinset, why would it? Thinset is the tile adhesive of choice in all applications, why would water now and suddenly degrade the thinset on your floor?

There are all brands of tilebacker available in 1/4" thickness, it doesn't have to be Durock. Quarter inch tilebacker boards are everywhere.

Home Depot also sells Schluter DITRA, a plastic tilebacker that is only 1/8" thick.

When installing tile in a proper fashion we can't always 100% of the time have what we want as it relates to floor height. Had you not used 3/4" ply and used something a little thinner you would have room for more tilebacker height.
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Old 08-07-2011, 03:59 PM   #33
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repair durock imperfections before tiling


ok thanks again, I'm looking for the Ditra -- HD here in CA does not carry it... Taran
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Old 08-17-2011, 01:04 AM   #34
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repair durock imperfections before tiling


Bud- I just learned that the Ditra minimum tile is 2" X 2". My tile is 1" X 1". It's such a small floor, could I get away with a triple coat of Redguard instead?

The tile I took up was put right on top of thinner plywood than I'm using, nothing in between, and it failed but only after like 30 years...

thanks, Taran
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Old 08-17-2011, 03:49 PM   #35
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repair durock imperfections before tiling


Using Redgard "instead" of DITRA isn't the same thing...Redgard in no way replaces DITRA but I see what you are saying. I suppose you could probably do that.
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Old 08-17-2011, 03:55 PM   #36
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repair durock imperfections before tiling


I wised up and found some 1/4 inch Hardie board at a better Home Depot and will go with that... thanks again, Taran

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