Ceramic Tile - Routine Care
As provided by Dal-tile

Contaminants and spills on a glazed ceramic tile are generally easier to remove than on other, more impervious surfaces. Glazed tile products should be cleaned routinely with an all-purpose, non oil-based household or commercial cleaner. The product chosen should also be grout-joint cleaning compatible. The type of product may vary depending on the tile application and use. A multipurpose spray cleaner, which removes soap scum, hard water deposits, and mildew, and that is designed for everyday use can be utilized on wall tile areas in residential baths and showers.

The entire area should be cleaned and scrubbed with cleaner solution using a cotton mop, cloth, sponge, or non-metallic brush. After scrubbing, the entire area should be rinsed with clean water to remove any solution residue. Remember that you should sweep or vacuum floor areas to remove any dust or debris prior to cleaning. Routine cleaners should never contain acids or ammonia. Acids can damage the grout and the glazed surface of the tile, and ammonia can discolor the grout.

Unglazed tile should be cleaned routinely with concentrated tile cleaners that have a neutral pH for safe, regular use. These solutions are better suited at removing grease, oils, and normal spills from unglazed products. Again, these products will vary depending on the application, amount of traffic, and the use. The product chosen should also be compatible with cleaning the grout joints at the same time.

Removal of Sealers/Waxes/Floor Finishes:
If you need to remove a topical sealer or floor wax from a ceramic tile you should use a tile sealer and adhesive remover. Always test a small area first. Apply a liberal amount of undiluted solution to a manageable area. Allow setting without drying until coating or residue softens. Reapply if necessary until sealer softens and can be removed. If necessary, agitate with white nylon scrub pad. Wipe up the residue with a cotton towel or sponge. Rinse thoroughly with clean water. Do not use on natural stone products.

Glass Tiles
For routine cleaning, use any non-abrasive cleaning compound recommended for either glass or tile.

Metal Signatures/Metal Ages/Urban Metals
To clean, use a liquid non-abrasive household cleaner.
DO NOT use scouring pads, steel wool, sandpaper, or other abrasive products.
Avoid cleaners containing ammonia, bleach, or abrasives.
Always test in small, inconspicuous area when using a new cleaner to ensure compatibility.