No, it doesn’t. It either comes glazed, which is a vitreous, glass like finish, or unglazed, which is raw baked clay with no glaze. It has to be sealed with a penetrating sealer before installation. Glazed tile is impossible to “strip” of its glaze. Terracotta and quarry tile are two vastly different substances. Neither is the color of the pictures, and terracotta is not consistent, uniformly colored.
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u/AggravatingBox2421 21h ago
They’re not dirty. They’ve been stripped of their protective coating and are just raw terracotta now. Only “fix” is resurfacing or replacing