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Old 09-30-2006, 08:20 PM   #1
motxla
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Join Date: Sep 2006
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Question Help - Shower base has "soft" or "sandy" portion

Finishing the wall tiles on my shower and removed drop cloth from custom, mud shower base and noticed a portion of the surface felt "sandy", not the tight, smooth mortar like the rest of the floor. Seems to "roll up" as I apply pressure - it's about 6 weeks old. I used quick crete mortar mix.

I thought I was ready to install the floor tile, but . . .

Is there some type of sealer I can use or a thin layer of thinset to stabize? What's out there. Don't even want to think about starting over.
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Old 10-01-2006, 07:43 AM   #2
Davestone
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Location: Naples Fl.
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Roll up?Sometimes tha happens when you trowel the top layer extensively without compacting the whole thing first.Try some wet thinset skimming over the top.
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Old 10-02-2006, 10:17 PM   #3
motxla
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Slurry of thinset seemed to work

Mixed a slurry of thinset about the consistency of a melted milkshake. Seemed to penetrate and set well. . . looks like a satisfactory surface on which to lay tile.

Thanks for the help.
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