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Unread 01-01-2009, 03:22 PM   #1
mike99
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Join Date: Jan 2009
Posts: 2
Kerdi Shower Install with HardieBacker Walls

I am about redii to install a couple of kerdi shower units and had a question for the forum.
I am considering doing the walls with HardieBacker with Mud base and Kerdi Pan.
My question would be what would be the best sequence of installation.
I was thinking
1.Full length Backer Board on walls to the Sublfloor
2.Mud base
3. Kerdi corner seems
4.Kedi Pan installation 4" up wall ( all attached with unmodified thinset)
5. Curb seal

Does this install process make sense?
I just do not see alot of posts where people have used Kerdi Pans installations with Hardied Backer type material combonation... I thought the installation may be quicker with this method?
Comments/Suggestions?
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Unread 01-01-2009, 03:27 PM   #2
duneslider
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Join Date: Mar 2006
Location: Riverton, Utah, Salt Lake City
Posts: 2,268
Not sure what you are asking here. You saying you want a kerdi pan but no kerdi on the walls? Hardi isn't waterproof so that option isn't gonna work unless you want a leaky shower. Best to just stick to the manufacturer recommendations and not try to mix things up.
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Unread 01-01-2009, 03:57 PM   #3
NC8861
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Join Date: Jun 2008
Posts: 138
I just did kerdi over hardibacker and it sucks. Try to do sheetrock like all these folks say, or at worst, do durock. Hardibacker sucks the moisture out of your thinset immediately and you have to hand the kerdi within about 30 seconds - no joke. Or you get crappy coverage.
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Unread 01-01-2009, 05:57 PM   #4
mike99
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Thanks for the feedback...I will go with straight sheetrock and the Kerdi.
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