Tile over tile
It is not generally known, but tile CAN be installed over other tile! I have done it numerous times - on floors - showers - tubsplashes. There is no reason to believe it cannot be done as it is just another substrate. And the installer needs only the appropriate adhesive.
One of the logical restrictions is that the area to be tiled is restricted to where there is existing tile. To allow that there will be a significant difference in height. This is to suggest that if a floor is already down in ceramic, a new one can be installed on top of it BUT one cannot continue to an adjoining area as well since the new floor area would need to be appropriately raised to obtain the same height.
The advantage, of course, is the elimination of mess of tearout and the additional expense.
One of the logical restrictions is that the area to be tiled is restricted to where there is existing tile. To allow that there will be a significant difference in height. This is to suggest that if a floor is already down in ceramic, a new one can be installed on top of it BUT one cannot continue to an adjoining area as well since the new floor area would need to be appropriately raised to obtain the same height.
The advantage, of course, is the elimination of mess of tearout and the additional expense.
posted by John (Jack) Sullivan @ 6:29 AM
2 Comments:
At 10:20 AM ,
Anonymous said...
Ok. But I believe you should never install over another tile setters work because you don't know how strong the original bond is and whether the tile is sitting on a suitable substrate to begin with. And in a shower? I think that is playing with fire. I have seen so much poor workmanship out there that I would never install over tile unless I set it myself.
At 10:08 PM ,
John (Jack) Sullivan said...
Of course you are entitled to your opinion. And I have performed this application "satisfactorily" (as far as I know) perhaps 2 dozen times or more.
I have never had a call back indicating failure. I happen to visit often a friend who I performed the applications for on his floor, shower, tub and roman tub. The work being done more than 10 years ago. 900 s/f of floor.
As far as the prior install, I believe I can determine if the substrate is loose, And adhesives have the potential of fortifying as well.
As for caution, how does one ever know if concrete will fail - settlement cracks, etc - or drywall, or studs for that matter? I stand by my opinion and the absence of failure in all these installs hasn't lessened my opinion. I have saved a lot of people a lot of money and mess over the years.
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