Expert Answers in

ANSWER – Sealers can be applied over unglazed or glazed tiles, but you must use the correct type of sealer for the respective type of tile, and you must apply it correctly to get the…

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 ANSWER – I assume you have a glazed porcelain ceramic tile with an inkjet wood design.  Those types of tiles are normally very chemical resistant, so it seems unlikely that the glazed surface has…

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ANSWER – There are no standards that say that the tile or grout should be sealed. Although some manufacturers or suppliers of products recommend sealing depending on the type of tile or the nature of…

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 ANSWER – I assume you are saying that the grout color in your new tile installation isn’t consistent, and has light and dark areas.

Cementitious grout color isn’t expected to be completely consistent.  The grout will…

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ANSWER – I assume you are referring to a rectangle tile. These tiles tend to be installed in a off-set pattern so the tiles are stagger from each other.

ANSI A108.02-4.3 does state that tiles that…

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ANSWER – Most penetrating sealers today claim to make the stone or tile surface more slip resistant.  Years ago a lot of silicone based sealers were used that make the tile surface very slippery.  Slip resistance…

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ANSWER – I assume if you have efflorescence on a ceramic tile that it is either coming up through the porous grout joints or it is an unglazed porous ceramic tile. Glazed ceramic tiles have…

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 ANSWER – There are many different types of Mexican tile.  There are the Saltillo Tiles, the Tecate Tiles, the Talavera Tiles, and many more.  I will assume you have the unglazed Saltillo or Tecate tiles.  The…

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ANSWER – You could have either etched the glossy glazed ceramic tile or abraded it with the brush. Some high gloss tiles have a glaze that is easy to scratch and are acid sensitive. Diluted…

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ANSWER – It isn’t clear what Barkeepers Friend is made of, but since it is for stainless steel I assume it is somewhat abrasive and may contain an acid base.

Marble is made of calcium…

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