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Old 05-17-2013, 03:12 PM   #1
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Bathroom - Install tile floor - leave existing cove base


I'm planing on installing a ceramic tile floor in my bathroom (previously just vinyl over plywood). There is currently a ceramic cove base. If I install average thickness tile on the floor there will likely be a bit of a gap where the floor meets the base of the walls. How have people dealt with this in the past?

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Old 05-17-2013, 03:37 PM   #2
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Bathroom - Install tile floor - leave existing cove base


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Originally Posted by jpfulton248 View Post
I'm planing on installing a ceramic tile floor in my bathroom (previously just vinyl over plywood). There is currently a ceramic cove base. If I install average thickness tile on the floor there will likely be a bit of a gap where the floor meets the base of the walls. How have people dealt with this in the past?
Did you take the vinyl and plywood out?

Post pic of the gap.

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Old 05-17-2013, 03:51 PM   #3
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Bathroom - Install tile floor - leave existing cove base


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Did you take the vinyl and plywood out?

Post pic of the gap.
Have not taken vinyl or plywood out. The vinyl is coming up in a few places or even missing in other places. The gap doesn't really exist yet because there is no ceramic tile down. I had this issue at a previous house where I paid a guy to do my bathroom. His solution is to pretend it wasn't a problem. I'll use a tile I have sitting around to try to demonstrate the issue I'll be facing and take a pic.

In the meantime, here's an illustration.Bathroom - Install tile floor - leave existing cove base-untitled-1.jpg
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Old 05-17-2013, 04:04 PM   #4
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Bathroom - Install tile floor - leave existing cove base


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Originally Posted by jpfulton248 View Post

Have not taken vinyl or plywood out. The vinyl is coming up in a few places or even missing in other places. The gap doesn't really exist yet because there is no ceramic tile down. I had this issue at a previous house where I paid a guy to do my bathroom. His solution is to pretend it wasn't a problem. I'll use a tile I have sitting around to try to demonstrate the issue I'll be facing and take a pic.

In the meantime, here's an illustration.
Usally no one who retiles there bath wants to keep the base tiles.
When you loose the vinyl and plywood which is a must. What Will you have for plywood subfloor? What are your plans for substrate? Like cement board or ditra mat for tile bond?
If you have good joists, span and spacing 3/4" ply will be ok to work with. I personally like more for ceramic. but that's me.
1/4" plywood isn't recommended under cement board.

Last edited by JetSwet; 05-17-2013 at 04:06 PM.
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Old 05-17-2013, 04:35 PM   #5
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Bathroom - Install tile floor - leave existing cove base


The base tile transitions into the wall tile... and we don't really feel the need to re-tile the walls. They look pretty good. So basically the base stays. The whole substrate/subfloor question was a follow question but I can see how that would affect the severity of the "gap". I don't have a plan for substrate yet but was about to start researching. Sounds like I need to rip up the plywood then put down something like ditra mat or cement board? Just to clarify, I definitely can't set tile right on the existing plywood, right? I'll need to put down either ditra mat or cement board?
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Old 05-17-2013, 05:57 PM   #6
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Bathroom - Install tile floor - leave existing cove base


You could tile over a sanded or exposure ply with modified thinset but there will be no garenty that it will last and won't be water proof.

1/4" cement board or ditra mat which is thinner
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Old 05-17-2013, 11:52 PM   #7
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Bathroom - Install tile floor - leave existing cove base


Fulton,

Are you positive there is just plywood directly under the present vinyl? How long ago was this bathroom built? I'm thinking it may not be as you think.

Got pics?

Jaz

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