Clean grout can be the difference between tiles looking icky or sparkling. Tucked between shower and floor tiles, grout can be a magnet for dirt, grime, and bacteria. The filler can be prone to ...

Home / Building Technology Guide Reading time: 1 minute Ceramic tile, porcelain tile or natural stone tiles use some form of grout to fill the joints between the tiles. The grout material used for ...

However, tile does have an Achilles heel: The grout used to fill the joints between the tiles is, by comparison, porous, relatively soft, and easily stained.

- Mix grout powder with water to get a smooth, lump-free paste. 3. **Apply the Grout** - Use a rubber grout float or squeegee. - Spread the grout diagonally across the tiles to fill the joints. 4.

For large areas of grout discoloration, spray with hydrogen peroxide, let sit and rinse/wipe. Note that hydrogen peroxide can ...