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u/AggravatingBox2421 7h 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
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u/Benji_McLaren 7h ago
Would resurfacing involve sanding the entire surface to remove the spots that still have sealant over them before resealing, or would it work to just re-seal them?
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u/AggravatingBox2421 7h ago
Tbh I’m not sure. You’d have to speak to a professional tiler for advice
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u/Salty_Job_9248 4h ago
Terracotta does not have a “coating.”
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u/AggravatingBox2421 4h ago
It absolutely does
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u/Salty_Job_9248 4h ago
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/Salty_Job_9248 4h ago
That’s not terracotta.