Porcelain Tile Zero Grout Line. How to lay tile without grout lines. But, the misconception that they can go groutless might leave your work looking unprofessional. Types of porcelain tiles jul 26, 2012 ….
We recommend a 3/16 grout size for our ceramic tile line. If it comes up too high out of the lines, it will chip and break. Better to plan ahead than to have a problem later.
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Needs to be sealed and resealed. A large tile, such as 12x24, usually requires a 3/16 grout line, so it's best to check the manufacturer's recommendations to see how small you can go. If you like smaller grout lines, as long as the tile will allow it, use them. This thickness leaves room for the natural variation in size, and the perfectly imperfect edges of handmade tile.
