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Can I install granite over subway tile on the backsplash in my kitchen?
It is hard to get adhesives to stick to tiles because of the gloss finish of the tile. The other concern is that if you add more layers of tile you might overlap the edge of the sink. I would recommend removing the tile. If you are going to cover the entire area with granite, you can replace any damaged sheetrock with new pieces and you won’t have to tape it. If you’d like to consider other ideas, see our slide show Kitchen Backsplash Ideas.