Ceramic and Porcelain Tile Free Tile and Stone Installation Guidelines installation Installation Guidelines Showers Slope Percent Standards Wet Areas

How thick should the Mortar Be for a Shower Pan Floor in a Shower?

ANSWER - First of all, the way you construct a shower pan is to first apply a pre-sloped mortar bed to establish a slope to the drain of 1/4" per foot.  You can float over…

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Ceramic and Porcelain Tile Expert Answers installation Mastic Showers

Can I use Organic Mastic in Showers?

ANSWER - There is a type 1 and a type 2 organic mastic.  Type 1 mastic is more water resistant, but only suitable for limited water exposure. Using the mastic on the kitchen backsplash is…

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Ceramic and Porcelain Tile Debonding Tile Expert Answers failures Grout Installation Guidelines Showers Standards Waterproofing Workmanship

How do we determine what caused our Tile Shower to Fail?

ANSWER - You are asking a lot that can't be answered without performing a forensic inspection to determine what is causing the failures.  I can make some general statements that may or may not apply…

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Ceramic and Porcelain Tile Expert Answers installation Installation Guidelines Showers Standards Steam Showers Waterproofing

Is it a problem if Schluter Ditra is installed on the walls of a Steam Shower?

ANSWER - Based on the Schluter literature, although they only show floor applications, they don't say it is only for floors. The Ditra is waterproof if installed correctly for waterproofing.  It does have a key…

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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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cracks Expert Answers Indent Fractures Showers stone

Why able I getting Hairline Cracks in my Carrara Marble Shower?

ANSWER - Generally speaking cracks are either reflective cracking where the underlying substrate has a crack or separation and it telegraphs through the marble or there is structural cracking where the structure has excessive deflection…

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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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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 failures Grout Leak Movement Joints Repairs Sealant Caulk Showers Waterproofing Wet Areas

Is it alright to use Silicone Sealant to fix a Shower Leak?

Answer: First of all, all of the transition joints in the shower both horizontal and vertical should not have been grouted with a cementitious grout.  They should have been filled with an ASTM C920 resilient sealant…

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Ceramic and Porcelain Tile Expert Answers installation Installation Products - Adhesives Showers Wet Areas

Can excessive Steam and Condensation in a Shower caused damage to the Ceramic tiles?

ANSWER - If the ceramic tile was installed correctly over a suitable substrate for a shower application then it will not be harmed from being subjected to prolong hot water, steam, and condensation. Ceramic tile…

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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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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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Ceramic and Porcelain Tile Concrete Substrate Slab Expert Answers installation Showers Stains Wet Areas

Should we replace the discolored Tile and concrete base in the Shower?

ANSWER -  Normally installing tile over damp mortar doesn't cause staining.  We call that a wet set method if the mortar is installed at the same time as the tile is installed.  A thin-set adhesive…

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Ceramic and Porcelain Tile cleaning Expert Answers Grout Maintenance Showers Stains Wet Areas

Why are my subway tiles have stains around the edges?

Answer - If you have subway tiles, I assume you are talking about tiles on the walls of the shower.  Although perhaps you did install the subway tiles on the shower floor. Most subway tiles…

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Ceramic and Porcelain Tile cleaning Expert Answers Grout Maintenance Mold Showers Wet Areas

What is the best product to use to remove Mold/Mildew?

ANSWER - You have to be careful on what cleaning products you use on tile, stone or grout.  Some of the grocery store brands may not be reliable for the type of cleaning you want…

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cleaning Expert Answers Maintenance Quartz Stone sealers Showers stone Stone Restoration Wet Areas

How can I remove the Drip Lines on my Quartz Stone in my Shower?

ANSWER - Quartz Stone is a man-made material that is about 90% natural quartz suspended in a resin base. Natural stone and quartz stone can be affected by various chemicals.  The chemicals whether very acidic…

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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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Ceramic and Porcelain Tile Debonding Tile Expert Answers Grout installation Repairs Showers Wet Areas

Are my tiles bonded properly in my Steam Shower?

ANSWER - First of all there is nothing wrong with using sanded grout as long as the grout joint width is 1/8" or wider.  There are some benefits to using an epoxy grout in terms…

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