cleaning Expert Answers Maintenance Stains stone Stone Restoration

ANSWER - The only glue they should be using on a marble countertop is the resin adhesive to bond the section together or to bond the apron to the slab.  Sometimes if they have joints…

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Expert Answers Granite Stains stone Stone Restoration Contractors

Why do I have Brown Spots on my Granite and how do I remove them?

ANSWER - Determining what is causing a stain or how to remove it, depends on whether this is a granite countertop or a granite floor tile or a granite wall tile in a shower or…

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Ceramic and Porcelain Tile cracks Expert Answers Indent Fractures Moisture Problems Optical Haze Stains

What are these Shadow Needle Shapes on my Porcelain tile?

ANSWER - With your description it is hard to determine exactly what is the condition. It could be intend fractures.  That is when there is excessive shrinkage and it causes intents in the tile that…

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color Variation Expert Answers installation Limestone Marble Moisture Problems Stains stone

Why is my New Marble Floor Tile Discoloring?

ANSWER - The marble may in fact be retaining moisture and maybe it will go away after it dries out.  On the other hand natural stone has various minerals within it that can react with…

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Ceramic and Porcelain Tile cleaning Expert Answers Grout Maintenance Stains

How do we remove a Urethane Grout Haze from a Tile?

ANSWER - If you rub too hard you might damage the tile. The best approach is to contact the manufacturer of the urethane grout and ask them how best to remove the urethane grout haze. …

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Ceramic and Porcelain Tile cleaning Expert Answers Grout sealers Stains

How Can I Remove Contrasting Grout Staining in a Black Tile?

ANSWER - The grout that you used may be a polymer modified grout similar to a grout with a latex additive.   Acids won't attack the polymer, but there are products for removing latex haze.  Try…

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Expert Answers failures Glass Tile Moisture Problems sealers Showers Stains

Why is my Subway Glass Tiles with Wood Grain Deteriorating?

ANSWER - Regarding whether sealing a cementitious grout makes it waterproof, it doesn't.  Using an appropriate penetrating sealer over grout will make it moisture resistant, it will make it stain resistant, and it normally will…

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Counter tops Expert Answers Maintenance sealers Stains stone

Can Petit Granit Limestone Countertops Stain?

ANSWER - In spite of the name suggesting it is granite, Petit Granit is known as a Belgian Limestone.  Several sources on the internet state not to use it as a countertop and say it…

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Ceramic and Porcelain Tile cleaning Expert Answers Stains

Can I Clean and Restore my 15 Year Old Glazed Ceramic Tile?

ANSWER - Since you have a glazed ceramic tile it should come clean unless it has worn from abrasion.  Glazed ceramic tiles don't normally fade, but some of the softer glazes might to some degree.…

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Acid Etching Caulk Ceramic and Porcelain Tile cleaning Expert Answers Maintenance Sealant Caulk sealers Stains

Are there Tile Sealers that are resistant to Urine?

ANSWER - I assume you are saying that you seal your tile with a sealer and that your dog's urine is causing the sealer to be removed. Sealers are meant to minimize the chances of…

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Ceramic and Porcelain Tile cracks Efflorescence Staining Expert Answers Grout Leak Maintenance Showers Stains

Why is water coming out of the grout on the side of our Shower?

ANSWER - From your photo the bottom edge of the wall tile where it is adjacent to the transition joint from the wall to the floor has efflorescence staining.  That suggests water is traveling from…

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color Variation Expert Answers sealers Stains stone

Why won't my Limestone Stain Uniformly when I try to Stain it?

ANSWER - It is not common to stain natural stone. There are enhancer sealers that applied to enhance the natural color of the stone. Natural stone is just that.  Every piece of stone is somewhat…

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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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Counter tops Expert Answers Maintenance Polished Repairs Stains stone

How do I remove a smudge on my new Granite Countertop?

ANSWER - Many natural stones that are produced around the world are treated with a type of sealer to enhance the color of the stone.  If some type of solvent gets on the countertop e.g.…

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Expert Answers installation Stains stone

Should Adhesive Spots show through Marble Tiles?

ANSWER -  We have seen where the installer will cover the entire tile with thin-set adhesive (back buttering) and then use globs or spots of the adhesive to attach the tile.  This is not an…

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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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Acid Etching Ceramic and Porcelain Tile cleaning Expert Answers Maintenance Stains

How do I remove acid etch stains on my ceramic pool tiles?

Answer - Unfortunately when you acid etch the surface of a glazed tile it chemically alters the glaze and it can't be restored. If the etched area is contrasting in color to the tile color,…

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cleaning Expert Answers Maintenance Stains stone Stone Restoration

How long will it take for Limestone to Dry from being wet, and will the dark spots go away?

ANSWER - There are 3 subcategories of limestone per ASTM C568.   Their physical properties vary from being vary porous to very low absorbing. How fast the limestone will dry depends on how absorbing it is,…

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