Why “mopped” tile still looks dull—and what actually fixes it Tile is designed to be durable, but grout is porous. In busy Treasure Valley homes—especially kitchens, entryways, bathrooms, and mudrooms—grout acts like a sponge for soil, spills, oils, and tracked-in grit. Over time, that build-up sinks below the surface where routine mopping can’t reach, leaving […]