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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Ceramic and Porcelain Tile Concrete Substrate Slab Debonding Tile Expert Answers failures Hollow Sounding Tiles Moisture Problems Movement Joints Tenting

Can moisture in a Concrete Floor cause the Thin-set Adhesive to Deteriorate and result in Hollow and Tented Tiles?

ANSWER - Thin-set mortars should not deteriorate from being exposed to moisture.  Most thin-set mortars are used in showers and in pools and fountains. Moisture that migrates into the concrete slab from the ground and…

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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 Efflorescence Staining Expert Answers installation Installation Guidelines Moisture Problems Remodeling Vapor Barrier Waterproofing

What should we do if there is evidence that there is high Moisture coming up our Concrete Slabs?

ANSWER - Carpet might be allowing the moisture to evaporate through it, but as dirty as carpets get you could develop some microbial growth in the carpet.  Adding more carpet doesn't solve or prevent problems.…

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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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Ceramic and Porcelain Tile Chips Expert Answers Moisture Problems

Chips in Wood Looking Porcelain Tile

ANSWER - Chances are the hot metal melted the glazed tile surface.  If the tile body is porcelain then by definition it should be impervious and should not compromise the tiles' ability to resist moisture.

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Ceramic and Porcelain Tile Concrete Concrete Substrate Slab Debonding Tile Efflorescence Staining failures Moisture Problems Testing Vapor Barrier

What is the Acceptable Moisture Content in a Concrete Slab for a Tile Installation?

Answer - The ASTM F1869 Calcium Chloride membrane was the dominate test for years and depending on the tile installation manufacturer they would request a value of anywhere from 3% to 12% per 1,000 sf…

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Ceramic and Porcelain Tile Concrete Substrate Slab Expert Answers Flood Leak Moisture Problems Repairs

Will residual water from a leak cause damage to my tile installation?

ANSWER - If the tile was installed correctly the residual water/moisture should not harm the tile.  Tile is often installed in showers, fountains, and pools and the moisture should not harm them as long as…

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Ceramic and Porcelain Tile Expert Answers Exterior installation Moisture Problems Wet Areas

What is causing water to collect on the clubhouse deck that makes it slippery?

ANSWER - A vapor retarder goes under the concrete slab and doesn't have anything to do with water pooling/collecting on the tile surface. Industry standards require that the exterior tile surface that is subjected to…

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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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Ceramic and Porcelain Tile Expert Answers Grout Leak Moisture Problems

What is causing water to flow out of our Grout Joints and what can we do about it?

ANSWER -  If water squirts out of the removed grout joint 2 feet in the air, then that is an indication that the water is under pressure.  I assume that the water squirting in the…

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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 Efflorescence Staining Flood Grout Moisture Problems

Efflorescence Staining from Moisture Perhaps?

ANSWER - You have provided so much information that it is a little confusing.   So I will make some assumptions. You said that your tile patio is part of an ocean front home. You said…

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Ceramic and Porcelain Tile Expert Answers failures Grout installation Leak Moisture Problems Movement Joints Standards Waterproofing Wet Areas

Why is my Tiled Balcony Leaking and How Can I fix it?

ANSWER - When there is a problem it normally is not due to one deficiency, but due to multiple compounding deficiencies. You state that the peel and stick moisture barrier was properly installed.  If if…

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Ceramic and Porcelain Tile Expert Answers Exterior failures installation Leak Moisture Problems Repairs Waterproofing

What is the best way to repair my tile roof deck that leaks?

ANSWER - It is possible to install tile over tile if the existing tile is in good condition.  If the existing tile is cracked then the new tile installed over it will crack.   In order…

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Ceramic and Porcelain Tile cleaning Expert Answers Maintenance Moisture Problems sealers Stains

Why did the porcelain tile under my rugs turn dark?

ANSWER - Porcelain tile is not known to fade.  It is not uncommon to find that the tile color under rugs that have been in place a long time are a different color or shade. …

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cleaning Expert Answers Exterior Maintenance Moisture Problems sealers Stains stone

What has caused my Blue Stone to show rust stains?

Questions -  Most stones contain some ferrous oxide minerals that when subjected to excessive moisture can cause a rust-like stain.   For it to occur the stone has to be subjected to some level of moisture.…

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cleaning Expert Answers installation Moisture Problems Polished sealers Showers Stains stone Wet Areas

Is it recommended to install Carrara Marble in Steam Showers?

ANSWER - I have seen Carrara Marble installed in showers and steam shower successfully, but I have also seen where there were staining problems. Many marbles contain pyrite (iron sulfide) minerals which is a natural…

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cleaning Expert Answers Maintenance Moisture Problems Showers stone Stone Restoration Wet Areas

How do I clean my Travertine Tiles on the bathroom floors and shower?

ANSWER - Depending on whether the travertine tiles have been maintained properly or not over the years, it may require a more in-depth cleaning; particularly if there is staining in the stone. Generally speaking, on…

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cleaning Expert Answers Maintenance Moisture Problems Stains stone Stone Restoration

How do I remove the brown stains on my granite countertop?

ANSWER - There are many different types of stains, so the trick is to try to determine what caused the stain, because if you know that, then you have a chance at figuring out how…

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