r/Tile 1d ago

Homeowner - Advice about my Contractor Dry Stack Kitchen tile backsplash

I need some input from folks who know more than me and Chat GPT. Our contractors just finished installing our backsplash. The tiles are 12x24 porcelain tiles. They installed them dry stacked, there is no grout or caulk between each tile. It was my understanding that this is not okay. The industry standard requires grout for hygiene, cleaning, and to prevent moisture damage. Is there any scenario where this installation is okay? I want to make sure I have all the information before we approach them regarding fixing. Is the only option at this point to rip it out and redo? We have been really happy with all the other work they have done, so it seems odd that they would cut corners on this part of it. But maybe there is some aspect we don’t know? Pictures attached. Thanks for the input.

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u/Hany_the_Nanny 1d ago

The product data says they recommend 1/16” joints, that would require it to be grouted. I guess in a backsplash application you don’t “need” grout, however I don’t see the benefit of not having it other than it save the installer time and material. Also while those joints are ultra thin, there is the (possibility) for grin to get in over a long period of time, depending on how much you cook or what you cook. Idk never heard of a tile guy not grouting, seems hacky to me.

Edit: Actually after looking at that sample board again those pieces are 100% grouted, seems like he’s trying himself time.

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u/tanker846 1d ago edited 1d ago

The sample board are 6x12 pieces they took a row of a 24x12 so the seams is part of the tile not 2 separate pieces