You could try cleaning them really good then sealing them. Make sure that it is made for floor tiles so they don't get slippery when wet.
Every time I clean my mirrors, they end up having tons of streaks and almost look worse than before I started. What could I use to clean them that won't leave streaks... See more
Help! I burned my pan. How do I clean stainless steel cookware that's been burned?
How to clean glass shower doors
What is the best way to clean hardwood floors in the kitchen?
My kitchen cabinets are embarrassingly greasy. Please share your degreasing tips with me so I don't have to cringe every time I glance at my cabinets.
My floor tiles are looking a little gray and dull. How can I clean them up and bring back the shine without using wax?
You could try cleaning them really good then sealing them. Make sure that it is made for floor tiles so they don't get slippery when wet.