Guide to Stain Removal For Unglazed Tiles

Unglazed surfaces undoubtedly present the greatest problem in regard to staining, as it is generally harder to remove liquid spills or other marks from textured or rough surfaces. Once again emphasis is placed on early removal. In addition unglazed products are frequently used externally because of their enhanced slip-resistance.

It is probably wise to seal unglazed, matt finished products laid externally around pools and in entertainment areas.

Stain and Solution

Listed below are some of the remedies which can be used to treat stains on unglazed tiles.

• Daily Cleaner - PH Neutral Cleaner
• Cooking fats and oils - Solvent Based Cleaner
• Ink - Acid Based Cleaner, Acetone
• Rust and Oxides - Acid Based Cleaner
• Rubber - Solvent Based Cleaner
• Ice Cream - Solvent Based Cleaner
• Paint - Solvent Based Cleaner
• Coffee - Alkaline Based Cleaner
• Wax - Alkaline Based Cleaner
• Linseed Oil - Alkaline Based Cleaner

Correct Use

The wrong cleaner is often chosen and in many instances cleaners are used incorrectly so adopt the following procedure.

1. Select the correct cleaning agent.
2. Apply the cleaner and allow it to dwell on the surface (The chemicals need time to do their work – usually between 5-10 minutes)
3. Scrub and agitate the area to be cleaned
4. Periodically extract the dirt (and cleaning agent) from the surface (by wet or dry vacuum cleaner, squeegee or an absorbent cloth) to determine results. (NOTE: Heavy duty cleaners must be extracted every time they are used).
5. Rinse the area with clean water. (Any cleaning agent left on the surface can accelerate contamination of the area).

To avoid long term issues immediately wipe-up spills of any liquid which could cause a stain.

​Credit: Australian Tile Council