Ceramic Tile Advice Forums - John Bridge Ceramic Tile

Welcome to John Bridge / Tile Your World, the friendliest DIY Forum on the Internet


Advertiser Directory
JohnBridge.com Home
Buy John Bridge's Books

Go Back   Ceramic Tile Advice Forums - John Bridge Ceramic Tile > Tile & Stone Forums > Tile Forum/Advice Board

Sponsors


Reply
Thread Tools Search this Thread
Unread 12-05-2019, 08:26 PM   #1
bajpga
Registered User
 
Join Date: Jun 2014
Posts: 25
Wedi Board and Hardibacker

Hello,
Ive got an alcove tub bathroom renovation underway. Ive already used Hardibacker for two walls in the tub area. However, for the wall that will have the niche, I've realized an issue with using Hardibacker. I'd like the upper and lower perimeter lines of the niche to perfectly align with the spacing between subway tiles, but I don't know an easy way to measure and ensure this will happen after cutting the hardi and fabricating the niche. So I thought I would use Wedi board for the niche wall. That way I could tile up to the desired niche height and easily cut out the wedi board, construct the niche, waterproof it correctly and continue tiling. Im going to use fiberglass mesh tape and Redguard, or another liquid membrane, on the hardi walls for waterproofing.
So my question is how do I waterproof between the Hardi and Wedi in the vertical corners of the alcove?

Thank You
__________________
John
bajpga is offline   Reply With Quote
Sponsored Links
Unread 12-05-2019, 09:32 PM   #2
Kman
Moderator
 
Kman's Avatar
 
Join Date: Nov 2006
Location: NW Arkansas, Ozark Mountains
Posts: 11,465
Welcome back, John.

There's no approved method for what you're doing. It's something that you, we, or anyone else would just have to make a best guess and run with it.

If it were mine, I'd probably use mesh tape and mud in that corner and at least two inches on either side. So you'll need tape that is at least 4" wide. Then I'd continue the waterproofing around the corner for at least two inches.

Another idea might be to use a strip of waterproof membrane in place of all the above.

Again, it's just an educated guess, and there's been no testing to determine if either of those methods would work.
__________________
Kevin

The top ten reasons to procrastinate:

1.
Kman is offline   Reply With Quote
Unread 12-06-2019, 07:31 PM   #3
Tool Guy - Kg
Moderator -- Wisconsin Kitchen & Bath Remodeler
 
Tool Guy - Kg's Avatar
 
Join Date: Feb 2005
Location: Oak Creek, WI
Posts: 21,914
You could lay out a good section of tiles on the floor over some butcher paper. Take care to properly space all the tiles. Then transfer the joint locations in both the X and Y axis. Then use that up against the wall to transfer your lines. That would allow you to locate the niche and locate the tiles.

__________________
Tonto Goldstein... but my friends call me Bubba

Help an awesome summer camp!
Tool Guy - Kg is offline   Reply With Quote
Unread 12-07-2019, 09:22 AM   #4
bajpga
Registered User
 
Join Date: Jun 2014
Posts: 25
Thank you K Man and Tool Guy for the feedback. Regarding using the Wedi for the niche wall, here’s my logic for waterproofing between the two.
1. The Hardi will be completely finished prior to the installation of the wedi wall. So the seams will be mesh taped and thinset applied, then the wall treated with Redgard to specs.
2. Install the Wedi on the adjoining wall using the Wedi caulk to seal the joint between the Wedi and the Redgard treated Hardi.
My logic is the Wedi caulk should stick like glue to the Redgard and completely seal the joint between the two substrates.
I would appreciate if someone could weigh in on this and let me know if this process would work.
Thank You
__________________
John
bajpga is offline   Reply With Quote
Unread 12-07-2019, 02:03 PM   #5
Tiger Mountain Tile Inc
Registered Muser
 
Tiger Mountain Tile Inc's Avatar
 
Join Date: Feb 2011
Location: Issaquah, Washington
Posts: 6,845
I would rather see you use Wedi board throughout but if you want to "redneck engineer" it then I think I would use Wedi fabric on that corner between the Hardi and Wedi.

https://www.masterwholesale.com/wedi...ling-tape.html
__________________
Jim Upton

New DIYTileGuy blog post: What everyone wishes they knew about Self-Leveling Underlayment
Tiger Mountain Tile Inc is offline   Reply With Quote
Unread 12-07-2019, 03:00 PM   #6
cx
Moderator emeritus
 
cx's Avatar
 
Join Date: Jul 2001
Location: Boerne, Texas
Posts: 90,272
Or just use Hardiebacker and RedGard for the whole thing.
__________________
CX

Y'ALL NEW VISITORS READ THIS HERE!
cx is online now   Reply With Quote
Unread 12-07-2019, 10:16 PM   #7
ded dux
Registered User
 
ded dux's Avatar
 
Join Date: Oct 2007
Location: Eagle river, ak
Posts: 292
Or could Wedi the back wall and use Wedi subliner dry over the hardie and overlap onto the Wedi.
__________________
Don
ded dux is offline   Reply With Quote
Unread 12-15-2019, 07:44 PM   #8
bajpga
Registered User
 
Join Date: Jun 2014
Posts: 25
Thanks CX and Don for the input.
I decided to stay with the Hardibacker. I was going to use Redgard, as it’s easiest to acquire. However I want to use what is best over Hardi. Any preferences for using Redgard, Mapei or the Laticrete liquid membrane?
Thanks
__________________
John
bajpga is offline   Reply With Quote
Reply

Stonetooling.com   Tile-Assn.com   National Gypsum Permabase


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Using Wedi-board D. Lanuti Tile Forum/Advice Board 7 03-22-2010 09:29 AM
Wedi board. John K Professionals' Hangout 68 02-21-2003 03:41 PM
Wedi Building Board DMFisk Tile Forum/Advice Board 10 03-08-2002 12:20 PM
Wedi board JC The Mud Box 11 01-23-2002 10:57 PM
Wedi board JC Professionals' Hangout 2 10-01-2001 06:47 PM


All times are GMT -6. The time now is 10:16 AM.


Sponsors

Powered by vBulletin® Version 3.7.4
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.
Copyright 2018 John Bridge & Associates, LLC