How Do You Sand Down Porcelain Tile After Its Already Installed?
Porcelain tile that is already installed should also have been finished and sealed. Although porcelain is hardy, over the course of time it will be need to be refurbished to maintain its shiny appearance. You sand porcelain tile to prepare it to be painted and resealed; because it’s so smooth, it’s hard to get paint to adhere, and you sand it to remove the sealant and rough up the surface. Sponge down the tile and the grout between the tiles with a porcelain-cleaning product, which can be found at home improvement and grocery stores. Check the tile for any missing or damaged parts, such as chipped paint. Fill in any damaged areas with a porcelain filler, or put in a new piece of tile. Check the grout as well and apply new grout where needed. Allow the grout to dry completely. Sand a few tiles at a time with an orbital sander and 220-grain sandpaper. The sandpaper will rough up the surface for when you apply a paint primer. Keep sanding until all the tiles are rough to the touch and hav
