Retiling bathroom floor

Old 09-16-15, 10:42 AM
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Join Date: Jul 2014
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Retiling bathroom floor

Hello Experts,

Two weeks back , I started a project to replace a few broken tiles in the bathroom floor. After I started it, based on some feedback in this forum , I understand that the current tiling in my bath is not at all right. It is Marble over 1/4" Hardie with no ply underlayment . I cannot add underlayment for these few tiles . After much thought decided to bite the bullet and go ahead replacing all tiles in the bath.


1) I am planning to remove the Vanity but not the toilet or Shower Tub . Is it possible to tile around those ? It has to be pretty close to existing tile under toilet or tub (is there tile under tub ??) since we will have a slightly different level (due to underlayment).

2) How do I remove the Marble tiles around shower tub and Toilet ? Do I need any special tool to make sure it is evenly cut

3) My new tiles will be ceramic (enough headache with Marble) .... what should be the underlayment . All I have now is wood plank and hardie on top (I am getting rid of the hardie .. start fresh)
Old 09-16-15, 12:42 PM
czizzi's Avatar
Join Date: Jul 2007
Location: USA
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Hello again, thought of combining threads, but on second thought the old really doesn't pertain as you are tearing it out now. May want to leave a final note on that thread and say you decided to rip everything out.

How about including a new picture of the whole bathroom. Marble is expensive, so I doubt it extends under the shower. The toilets are usually pulled and tile is placed up to the flange. If you are re-using the vanity it doesn't need to come out unless it is open underneath and the tile is visible.

As soon as you are able, give us further details on the floor make up. We know it is a plank subfloor, but is it Tongue & Groove? What is the size of the floor joists, spacing and span unsupported that the joists are carrying. It will need at least a layer of ply, plus cement backer for planning purposes. Also plan on deck screws to lock the planks down and to install the ply.

Good call by the way.

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