Can or should you not set bathroom tile over the existing tile.?

My friend had her bath tile redone. The tile setter installed the new tile over the old tile. it looks thick and bulky. Will this cause promblems in the future or is it okay to have tile installed in this manner? The insaller wants to do the kitchen the same way.

Answers:
Not recommended with ceramic, porcelain, or quarry tile. It would be "okay" as long as thinset or some other floor leveler was used to fill in the old grout lines and make the floor uniform. I'd be uneasy about the longevity of the floor. It would be prone to cracking. It is perfectly acceptable to overlay VCT or vinyl tile. Just out of curiousity, how low is the tub and cabinets now? Do you feel a foot taller in that room?

Other answers:
That's crazy as hell! NO you shouldn't do it taht way at all! She needs to make him redo it, or get someone else to do it. It will NOT last at all. Moisture will collect behind it and cause it to crack and fall apart.
That's crazy as hell! NO you shouldn't do it taht way at all! She needs to make him redo it, or get someone else to do it. It will NOT last at all. Moisture will collect behind it and cause it to crack and fall apart.
I would take off the existing tile before laying on another one because like you said it looks big and bulcky and also it can cause problems maybe and then you'll end up spending more money.
its still okay as long as the original foundations are fine and the original surface is clean and prepared
What on earth is wrong with the tile setter? You can't do that, you HAVE TO remove the old tiles. That's like putting shingles over shingles or putting a window over a window. The new tiles are going to mess up and be uneven when the old tiles crack.
not wise. however, if one lays tile over tile quickset should be put down first. quickset is a thin cement compound . old tile should be removed.and if underflooring is not smooth luan should be installed..a thin plywood .
He must be one lazy dude !! They should tell him he needs re do it...take it all up...from the sounds of it...I doubt he will do it..don't let him do the kitchen floor !! YIKES !
They may end up having to hire someone who knows how to do it right.
They should take some pictures of it..save all the receipts and his bill... go online and look at some do it yourself sites,like Home Depot/ Lowes...
I f he won't re do it...they have some great paper trails & pictures,
Then take him to court to be reimburst for all of it.. Pictures tell a judge more than words or witnesses..I think any judge would know the guy was wrong in what he did.
No, Not.
There are potential problems with laying new tile over old. First off you can't assume that the old tile was installed as it should have been. Was the tile original or an improvement? What were the quality of the original tiles? Was the floor done by a professional or a home owner? Was it done correctly or were corners being cut the first time around as well? Even in a worst case situation your friend might not have any problems. Did she know he was going to do the work this way or not find out until the job was done? She probably won't have any problems with job as long as everything else was done right and the floor was sealed, but you never know. Did her installer offer any kind of warranty on his work? I'd be surprised if he did. He should have pulled the old tiles up before putting the new ones down. Was he just the cheapest bidder for the job? If so maybe he did it that way so he wouldn't have to dispose of the old floor (that's $30-$40 he keeps in his pocket).

Personally, I would not have let anybody install a floor that way and I definately would find somebody else to do my next project. Who knows what other corners are being cut or how many problems they might cause as time goes on.

If your friend does not have her bathroom floor redone make sure she goes out and gets some sealant for the floor just so that she knows it was done. It will only cost about $10, but should offer some piece of mind.
does he do that with his underwear also? No-no-no that is what is referred to as a hacker. if it looks awful than it is awful. get another installer pronto.
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