The answer to 'why is my tile grimy' is that tile can become grimy due to a buildup of dirt, grime, and soap scum over time. This is a common problem, especially in high-traffic areas like bathrooms and kitchens. Symptoms include dull, discolored tiles that feel rough or sticky to the touch.
Some common causes of grimy tile include not cleaning the tile frequently enough, using the wrong cleaning products, or letting spills and messes sit too long. Proper tile cleaning and maintenance is important to prevent this buildup and keep your tile looking its best.