Porcelain tiles are ceramic tiles commonly used to cover floors and walls, with a water ... Polished porcelain may need sealing, where ordinary glazed tiles do not.the glazed surface is coated with less than two ... When porcelain is first made, it is not absorbent, but the polishing process for making the unglazed surface shiny ...

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 Please lay tiles on tile  Adhesive is must dont use cement........