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Old 06-27-2011, 02:49 PM   #1
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Bathtub/ shower tiling


Hi folks,

Long story short... around a bathtub (with shower) I am going to soon start tiling. Just before starting I thought that I should ask about this:

- Because my bathtub was a flange-less bathtub, as well as other issues that I had to take care off, the first 6 in around the bathtub I have used solid 2x6 planks/ beams. these are screwed into the stud pillars. Underneath them I have an add-on tiling flange, glued to the bathtub using Silicon II.
- On top of the 6 in planks I have Wonderboard backerboards.

I am using the most performant thinset that I could find at Home Depot.
Everything is very well secured with screws.

I am now about to start apply the thinset over the joints and tomorrow apply Redgard allover. Day after I will mount the tiles using the thinset.

Question: I intend to use a metal lathe around, stapled onto the wood, to provide a better substrate for the thinset that I will use.

I may go a bit over, onto the backerboard, to ensure a smooth transition.

Should I worry about anything? Such as the thinset not sticking properly to the wood+ lathe, or things moving around in time, or anything else?

Should I use mastic/ adhesive on the wood (as the previous install used), to set the tiles on it, instead of the thinset, while using the thinset only on the backerboard? I am uneasy to do that as I'd have two types of mortar underneath the tiles, which is surely not a good idea.

Note that I really have no options to change the wooden border, and also note that the tiling flange is in very good shape.

Can you please provide a word of advise on what I should do in my case?
I need to finish off this project ASAP.

Thanks a lot,
Eugen

Last edited by buju; 06-27-2011 at 03:20 PM.
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Old 06-27-2011, 04:30 PM   #2
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Bathtub/ shower tiling


You are kidding yourself!

You cannot apply ceramic tile to dimensional lumber under any circumstances.

Got a picture of this thing?
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Old 06-27-2011, 04:55 PM   #3
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Bathtub/ shower tiling


Your description is hard to follow---Post a picture----I thought I read something about wood with tole over it--That won't do. Need a picture.---Mike----
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Old 06-27-2011, 06:41 PM   #4
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Bathtub/ shower tiling


Here are 2 pics with the wall and the lathe.
See attachment.

BTW, the previous setup had at that border a similar layer of wood - layered plywood.

Thanks.
Attached Thumbnails
Bathtub/ shower tiling-photo-1.jpg   Bathtub/ shower tiling-photo-2.jpg  

Last edited by buju; 06-27-2011 at 06:44 PM.
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Old 06-27-2011, 06:43 PM   #5
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Bathtub/ shower tiling


Yup...that's what I was afraid of.

Isn't going to work like that.

Why is that board there to begin with?

What are your plans for the front of the tub where the plywood is?

I can answer that question for myself but I want to hear it from you.

Last edited by Bud Cline; 06-27-2011 at 06:45 PM.
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Old 06-27-2011, 06:47 PM   #6
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Bathtub/ shower tiling


Why didn't you bring the rock down to the top of the tub and then add the tiling flange?

That wood is in the worst place in the whole tub enclosure.

The mesh is not going to help----I suggest that you remove the wood---lower the rock to the tub deck--add the flange--and then paint on your waterproofing.

You are at risk of failure if you don't.----Mike-----
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Old 06-27-2011, 06:57 PM   #7
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Quote:
Originally Posted by Bud Cline View Post
Yup...that's what I was afraid of.

Isn't going to work like that.

Why is that board there to begin with?

What are your plans for the front of the tub where the plywood is?

I can answer that question for myself but I want to hear it from you.
The board is there because the flange is NOT a match and the wood is pushing down on the flange - squarely, so that in time it will not move and become loose.

The folks who set the whole thing up way back have done some really #%*&% work and now I have to work around that.

What happens is that there is a big gap between the tub and the stud wood and, to make things worse, I found absolutely no flange that will fit my setup. And it's to be expected, given the gap. As a result I had to turn the flange the other way around - what you see as going up - IN FRONT of the setup, and when I add the tiles - BELOW the tiles. That vertical is pretty good for waterproofing the edge, BUT I will have to make sure that I do a great Sillicone II work on top of it, to the bottom of the first row of tiles.

I know that that is kind of crazy, but I don't have a choice, do I?
To make things worse, the bathtub was moving very slightly, when getting in and pushing down the thick lumber helped making the tub rock solid stable.

So, lowering the backerboard is not really an option, unless I am missing on a setup that I don't see.

Removing or repositioning the bathtub is out of question - it really bolted (almost) perfectly and any move is out of question.

I really hope that you have an idea that will work for this setup.. Thanks.
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Old 06-27-2011, 06:58 PM   #8
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Bathtub/ shower tiling


Quote:
Originally Posted by oh'mike View Post
Why didn't you bring the rock down to the top of the tub and then add the tiling flange?

That wood is in the worst place in the whole tub enclosure.

The mesh is not going to help----I suggest that you remove the wood---lower the rock to the tub deck--add the flange--and then paint on your waterproofing.

You are at risk of failure if you don't.----Mike-----
Hopefully the above explains it better.
I am quite depressed, I must say...
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Old 06-27-2011, 07:09 PM   #9
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Bathtub/ shower tiling


You should have sistered in studs to make the walls tight to the tub----

I ripped out a brand new tub like that this spring---never even used----What ever possessed the home owner to attempt using a deck mount tub in this situation I'll never know.

Let's see if Bud has a magic solution---If you asked me to fix that I'd pull the rack--sister in studs for a tight fit---re-rock it --add the flange---waterproof--then tile.---Mike---
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Old 06-27-2011, 07:12 PM   #10
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Bathtub/ shower tiling


Makes my head hurt and you seem to have yourself convinced there is no other way. Where are the ideas coming from? No really, where?

What you are doing there is not a good idea.
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Old 06-27-2011, 07:21 PM   #11
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Quote:
Originally Posted by Bud Cline View Post
Makes my head hurt and you seem to have yourself convinced there is no other way. Where are the ideas coming from? No really, where?

What you are doing there is not a good idea.
What can I do to:
a) stabilize the tub (without access to the far end, where the ever so slight movement happens when one gets into the tub)
b) be able to add (or keep the current flange)? Don't forget that the flange is not even a perfect fit, so to get it to the edge of the tub, while fitting properly to the side of the tub AND stick flush (behind) the backerboard may not work.
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Old 06-27-2011, 07:38 PM   #12
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Bathtub/ shower tiling


Can you shoot a profile shot of the tiling flange?
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Old 06-27-2011, 08:14 PM   #13
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Bathtub/ shower tiling



What are your plans for the front of the tub where the plywood is?
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Old 06-27-2011, 08:45 PM   #14
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Quote:
Originally Posted by oh'mike View Post
Can you shoot a profile shot of the tiling flange?
http://i1212.photobucket.com/albums/...enm/photo4.jpg
http://i1212.photobucket.com/albums/...enm/photo3.jpg
http://i1212.photobucket.com/albums/...nm/photo11.jpg
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Old 06-27-2011, 08:48 PM   #15
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Bathtub/ shower tiling


Here they are
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Bathtub/ shower tiling-photo-3.jpg   Bathtub/ shower tiling-photo-4.jpg   Bathtub/ shower tiling-photo-1-1-.jpg  
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