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Prangsta 07-29-2012 11:20 PM

Strange tile situation/problem.
1 Attachment(s)
This is where my builders left off on friday afternoon..
I want to take the top 2 rows of tile down to add mosaic where the upper soap dish is.. so it will match the bottom one. Given that they haven't been grouted, can those tiles be taken off the cement board, or no? This bathroom would look so much better with another row of mosaic and I have plenty left over.

12penny 07-30-2012 07:55 AM

I'll take a stab at this one. Sure, they can be removed to add the mosaic.

But be prepared to sign and pay for a change order for the extra work involved. Perhaps even buy more tile if they break on removal.

One other thing. Theres very few things that aggravate me more than having to take apart work because my customer thinks it would look better "this/that" way. I'll do it, and even keep my mouth shut, but I dont like it.

joecaption 07-30-2012 08:19 AM

I do not see any waterproofing on that tile board, and do not use mastic!
Only use bag mixed thin set in a wet area!

Tile board is not water proof.

Lay some cardboard or an old rug in the tub before trying to remove the tiles.

oh'mike 07-30-2012 08:37 AM

Anything can be done---however,if the tile was installed correctly, the tile removal will damage the backer board---destroy the waterproofing and cost the tile setter at least one extra days work--

And the tile can not be reused---

So expect that 'change order' to cost you a lot--capitol letters LOT---

Prangsta 07-30-2012 11:43 AM

My builder charged me $300 for the change, I think I paid more for the annoyance of the change in design than the time and effort 12penny. I had plenty of extra tile.
What kind of waterproofing are you referring to joecaption? As far as I know they have cement board with several layers of a cement mixture followed by the tile adhesive.

joecaption 07-30-2012 11:53 AM

Red Guard is one popular brand I use.
Adding extra morter as you suggest does nothing to waterproof it.
Masic should not have been used in a wet area.

12penny 07-30-2012 12:10 PM

Agreed. Premixed mastic will come apart in no time in a shower. There are several ways to waterproof the backer board including products like Redguard, kerdi etc.

Just curious, is this a tile contractor?

oh'mike 07-30-2012 12:10 PM

Not familiar with the method you described----Premixed mastic should not be used in a wet area---

May shower or tub surround have a surface membrane applied to the backer board---Either the brush on type that Joe mentioned or a sheet membrane like Kerdi made by Schluter---

If that tile was installed with a good powdered thinset---the backer would have been damaged---I am surprised the tiles came off after a day without causing trouble--

Sephora 08-01-2012 10:27 AM

Post a pic of the new design....curious as to whether it really did look better.

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