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meeple
USA Fan
Member since May 2011
6045 posts

Sheetrock or Hardibacker board behind tiled walk-in shower?
As I mentioned in another post we are renovating our master bath. For the shower, tile guy says to just put up sheetrock because he smothers it with waterproofing anyway, and that's what he typically sees. However, the internet seems to suggest using hardibacker board. What is the H&G position on this?
This post was edited on 8/9 at 2:56 pm


wickowick
LSU Fan
Head of Island
Member since Dec 2006
40084 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
Sheetrock is recommended with Kerdi


meeple
USA Fan
Member since May 2011
6045 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
I think he uses some troweled on membrane, not a panel

ETA: Nevermind he uses the kerdi membrane, thanks.
This post was edited on 8/9 at 3:14 pm


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Aristo
LSU Fan
Baton Rouge
Member since Jan 2007
9177 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
I used green rock on my garage shower with diamond plate for the shower walls.


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shell01
Texas A&M Fan
Marianna, FL
Member since Jul 2014
313 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
Using redguard or equivalent then? Refer to manufacturer's instructions. Sheetrock is not a suitable substrate for redguard. redguard install


fishfighter
LSU Fan
Baton Rouge
Member since Apr 2008
33686 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
Sheetrock was used for 75 years or so. But, Hardieboard is much better with about twice the cost per SF.


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LSUtigerME
LSU Fan
Walker, LA
Member since Oct 2012
2136 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
Hardboard.

I bought purple rock and had my guy hang it, only for my tile guy to rip it out and replace with hardiboard. Kerdi system was used and he said he’d never use it on Sheetrock. He’s torn out enough to never do it.


PSU2LSU
Penn State Fan
Baton Rouge LA
Member since Apr 2011
2908 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
The problem with using hardibacker with Kerdi is the thin set takes way too long to dry between the layers. Use what the manufacturer recommendeds.


Supermoto Tiger
LSU Fan
Baton Rouge
Member since Dec 2010
7745 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
Use PermaBase. It's a cement fiber tile backer board made by National Gypsum.


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TDsngumbo
USA Fan
Member since Oct 2011
17510 posts
 Online 

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
Either one is fine but if you go with Sheetrock, make sure it’s the purple moisture resistant Sheetrock and waterproof the crap out of it. It just has to be done right with no room for error if you go the Sheetrock route.

FWIW - I redid my bathroom shower a couple years ago and went with cement board and waterproofed it with redguard.
This post was edited on 8/12 at 10:59 am


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convertedtiger
LSU Fan
Baton Rouge
Member since Aug 2010
2539 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
quote:

The problem with using hardibacker with Kerdi is the thin set takes way too long to dry between the layer


Honestly, that is negligible IMO and I MUCH prefer the peace of mind of the backer instead of sheetrock. One slip up and you ruin the job.


WPBTiger
USA Fan
Parts Unknown
Member since Nov 2011
16084 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
quote:

FWIW - I redid my bathroom shower a couple years ago and went with cement board and waterproofed it with redguard.


This.


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lsutiger2010
LSU Fan
Member since Aug 2008
9038 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
Why use either one? Just attach kerdi board directly to the studs


meeple
USA Fan
Member since May 2011
6045 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
quote:

I redid my bathroom shower a couple years ago and went with cement board and waterproofed it with redguard.

We did this in our 2nd bathroom tub surround.


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convertedtiger
LSU Fan
Baton Rouge
Member since Aug 2010
2539 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
quote:

Just attach kerdi board directly to the studs


They want a mint for that stuff and its just polystyrene foam with the Kerdi on it. Call me old school but hard pass. The Kerdi roll membrane works well for me. I'll stick to it.


CORIMA
LAFAYETTE
Member since May 2014
216 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
I see the purple sheets used in new construction in potential wet areas here in Lafayette. May be a code thing


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Cdawg
Houston Astros Fan
TigerFred's Living Room
Member since Sep 2003
51945 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
Durock System


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midlothianlsu
LSU Fan
Midlothian, Texas
Member since Oct 2009
280 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
Georgia Pacific Denshield or Dens Armor Plus. Both are moisture and mold resistant. Both are suitable for tile.


Dingeaux
LSU Fan
Baton Rouge
Member since Nov 2005
3862 posts

re: Sheetrock or Hardibacker board behind tiled walk-in shower?
used durock cement board with redguard. worked great


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