Replacing old ceramic with new

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Old 10-22-08, 01:16 PM
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Question Replacing old ceramic with new

Hi, I'm trying to decide the best way to replace my old ceramic floor. Right now, the floor is ceramic with about 3" off cement under it. There are some places where the tiles are loose and cement is weak. Should I remove all the tiles, patch cement wherever needs patching and glue new tiles or should I remove all the tiles and cement, build a new floor with a thick plywood on top then glue the new tiles on it. The floor is approx. 300 sq/f.
Unless someone has a different suggestion.

Thanks
Ramacima
 
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Old 10-22-08, 03:44 PM
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Hi!

Are you sure it's "cement" and not a mudbed? A mud bed will look grainy compared to cement.

If this "mudbed" is damaged, cracked, etc, I would tear it out.

Are you planning on doing this work yourself? A mudbed installed correctly is far better then a plywood/cbu installation but too difficult for a DIYer to accomplish in most cases.

What is your current subfloor, slab or wood?

Also, if you choose to tear out the mudbed and not replace it, let us know.

You should not THINSET tiles directly to plywood.
 
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Old 10-23-08, 07:14 AM
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Sure sounds like a mudbed to me!!!

Once there is a failure started, the mud bed and tiles get torn out. A mudbed is old school and it will be hard to find someone experienced in mudbed construction. It is a lost art. Trying a mudbed for a DIY'er is a failure waiting to happen, if you can even accomplish the daunting task.

What is under the mud bed? Wood(over a crawl space or upstairs) or is it a cement slab????
 
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Old 10-23-08, 11:20 AM
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Hi Guys, First, thanks for your replies.

Sorry I should off known it was mudbed. The house is a 3 floor cottage and this job is for the middle floor. There's the beams then plywood, next the mudbed and finally the tiles. I was going to redo the floor myself unless you say that I have no choice or advise that I should redo the mudbed, then I would hire someone and I know it will be expensive. If possible I would like to redo the floor myself.
First, can you tell me the best tool to use to remove the mudbed and second, if I go ahead with a new floor, what is the best way to place tiles on plywood. I know HotinOKC mentions that I should not thinset tiles directky to the plywood.
I'm a DIY but I'm new in ceramic and would like to attempt it.
 
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Old 10-23-08, 12:49 PM
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I would remove the mud bed.
Then screw down a layer of 3/4" plywood spanning the seams in the existing subfloor.
Then I would set some Schluter Ditra
Then I would set my new tiles
Then I would grout my newly set tiles
Then I would seal the grout on my new tile project and call it complete.
 
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Old 10-23-08, 03:55 PM
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There's the beams then plywood, next the mudbed and finally the tiles.
Is this post and beam construction, or are you referring to floor joists when you say beams?

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Pot's empty.
 
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Old 10-23-08, 04:13 PM
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^ hahaha...............................
 
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Old 10-27-08, 11:39 AM
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Thumbs up

Thanks guys for your advice & tips.
 
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