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Old 04-12-2011, 05:35 PM   #1
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hardibacker on a bed of thinset?


i was told, on a separate thread, that if i am to tile over 1/4" hardibacker i need to set it on a bed of thinset. is this correct?

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Old 04-12-2011, 05:38 PM   #2
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hardibacker on a bed of thinset?


You really should be setting all tile backer board, regardless of thickness, on a layer of thinset.

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Old 04-12-2011, 05:41 PM   #3
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hardibacker on a bed of thinset?


you mean thinset over OSB subfloor?
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Old 04-12-2011, 06:05 PM   #4
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hardibacker on a bed of thinset?


Subfloor, then thinset, then tile board & anchorment, followed by the tile bedding thinset & tile, and lastly grout.
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Old 04-12-2011, 06:19 PM   #5
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hardibacker on a bed of thinset?


It's done to avoid hollow spots under the backer board.

Hardi board is very springy---it will bridge low spots --that's why the thinset--

No thinset and the Hardi will flex when you step on it and will break the tile.
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Old 06-11-2011, 10:14 AM   #6
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hardibacker on a bed of thinset?


Is there a correct thickness to the thinset between the wood and the cement board ?

I hear different requirements ? Is there a firm standard ?

Dennis
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Old 06-11-2011, 12:02 PM   #7
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hardibacker on a bed of thinset?


I think Jaz answered that in your other thread---
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Old 06-11-2011, 12:09 PM   #8
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hardibacker on a bed of thinset?


Dennis this is your third thread you have asked the same questions in. You won't get any straight answers if you don't keep things all together in a single thread. Your questions so far have been answered appropriately in two other threads.
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Old 06-11-2011, 02:02 PM   #9
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hardibacker on a bed of thinset?


Sorry for any mix ups. My first go around...will try and keep it streamlined...

Thanks,
Dennis
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Old 08-24-2011, 11:35 PM   #10
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hardibacker on a bed of thinset?


This is my first post so be gentle with me - I just laid one hardibacker sheet in the bathroom (which is very small - 6' x 7' with a neo-angle shower) and secured it with screws and used the thinset underneath, and it is getting late and I wondered if I laid the rest of the floor before 2 AM is it safe to walk on it in the next 4-6 hours to use the shower in the morning, or should I wait to do the rest when there would be more down time in between?
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Old 08-25-2011, 06:36 AM   #11
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hardibacker on a bed of thinset?


You can get on the backer board right away---no waiting time needed.

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