How to Grind Porcelain Tile

Porcelain tile is a beautiful way to enhance your home. In some cases, you will need to grind this tile to get rid of a stained surface, or to shape the tiles for special installation. You will need special equipment that includes an angle grinder and porcelain grinding bit. The process is similar to polishing stone and other natural tiles. Follow these steps.

Things You'll Need

  • Angle grinder
  • Porcelain tile grinding discs

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Clean the tile so that it is free from grease and dirt. Wash it in clean water and light soap. Dry with a towel.

Position the tile in a rubber edged vise or give yourself room to grind the tile if it is still adhered to the floor. Do not over tighten the vise, as you want a snug fit that will not cause too much pressure on the surface.

Install a porcelain tile grinding disc on an angle grinder. Use small grit for a more mirrored finish, and larger grits 120 and up for rough grinding.

Gently apply pressure with the grinding disc to the tile surface. Start out very slowly, with the grinder set on a medium speed, until you can get a feel of how fast the tile will grind.

Continue grinding with a circular or side to side motion until you have shaped the tile as needed.

Tips & Warnings

  • In some cases, with very hard tiles, a lubricant may have to be used. Typically, water is not a good choice when using a high speed grinder.
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