Acid Etching cleaning Expert Answers Maintenance sealers Stains stone Stone Restoration

Why are my 1x1 Marble Tiles not Shinny After Grouting?

ANSWER - Denatured alcohol is acidic and can act as a solvent to break down sealers or stains that could be on the stone.  They use oxalic acid in polishing stone because it breaks down…

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cleaning Expert Answers sealers Stains stone

Why is my limestone still staining after I sealed it?

ANSWER - Ludders Limestone is a Texas Limestone.  The absorption rate and propensity to stain does vary depending on the physical properties of the stone.  Per ASTM C568 limestone can be rated as a low…

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cleaning color Variation Expert Answers Exterior Maintenance sealers Stains

Can I stain my natural stone so it has a consistent darker color?

ANSWER - Staining natural stone isn’t something that is recommended by the natural stone industry.  Using enhancer sealers is what is typically done, but they only last so long.  So if you want to maintain a…

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Backer Board Ceramic and Porcelain Tile Expert Answers Grout installation Moisture Problems Mold sealers Showers Wet Areas

Can I install Onyx mosaics in my Shower that don't have grout joints?

ANSWER - First of all what happen to the the 3rd wall in the shower?  I will assume it has a different substrate or you aren't tiling it. Not sure why you are using Schluter…

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Expert Answers Repairs sealers Stains

Why does my Granite show white powdery streaks after applying sealer?

ANSWER - First of all the data sheet for Mapei Ultracare says not to install it on the surface of the tile.  It sounds like that is what you did. I'm not sure why it…

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cleaning Expert Answers Maintenance sealers Stains stone

How do I remove the stains in my Granite Floor Tiles?

ANSWER - The dark color spots could possibly be due to underlying moisture below the granite tiles or they could be stains in the granite tiles. Granite is suppose to be technically impervious meaning low…

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cleaning Expert Answers Maintenance Moisture Problems Physical Properties sealers Spalling stone Workmanship

Why do I now have Problems with my Limestone After it was Cleaned and Re-Sealed?

ANSWER - Refinishing or restoration of stone floors is a common maintenance process.  There are many levels and degrees of what that might involve. Typically the stone floor will be cleaned with cleaning solutions and…

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Ceramic and Porcelain Tile cleaning Expert Answers Maintenance sealers Stains

What can I do about my Porcelain Tile Staining?

ANSWER -  The Daltile Avondale West Tower product looks to be an unglazed/through-body porcelain tile.  It comes in polished and unpolished.  I am assuming you have the unpolished material.  Porcelain tile is very durable.  Unglazed…

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cleaning Expert Answers installation Maintenance sealers Showers stone Wet Areas

Is Limestone Natural Stone Suitable for a Shower Application?

ANSWER - Limestone is commonly used in shower applications.  Not all limestone are the same.  There are ASTM material standards for each geological classification of natural stone that lists what the maximum or minimum physical…

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Expert Answers Removal Repairs sealers stone

Why did my Gray Stone turn Brown after sealing it, and how do remove it?

ANSWER - Depending on what type of sealer you applied, it can enhance the natural color of the stone.   So perhaps the installed stone unsealed, or perhaps the sample that you originally selected, appeared to…

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