Granite tile s are edged the same way as ceramics. A field tile is cut to the width of the countertop 's edge, then capped off by an overhanging bullnose granite tile on top. A tile with a bullnose has one of the four edges rounded over, giving it a smooth, finished look. You can't buy bullnose tiles; they are milled specifically for each granite tile installation. Certain companies specialize in grinding and polishing granite tile bullnose edges.
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