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 color Variation Expert Answers Standards

What is Acceptable Color Variation from the Tile Sample Selected to What is Provided?

ANSWER - What is called Shade Variation is normal in the tile industry, but what is considered reasonable variation depends... In the industry we have what is called in ANSI A137.1 Aesthetic Classes, which is…

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Ceramic and Porcelain Tile Discontinued Tile Expert Answers Glazed Tile

Where can I sell my Franciscan Interpace Tiles?

ANSWER - If the tiles are 12x12 inch in size, it probably is the Franciscan Terra Floor Waves series.  They had many different colors.  It was an extruded glazed tile that was very durable and…

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Ceramic and Porcelain Tile Deflection Expert Answers failures grout

How do you repair grout that comes loose so it doesn't continue to happen?

ANSWER - Grout joints in a 12x24 inch tile should be at least 1/8" wide otherwise the grout can't fill the joint as it should.  If the grout joint is 1/16" or less then chances…

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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 Debonding Tile Expert Answers failures Insurance Claim Leak

Can a water pipe leak cause my tile to laminate and will the insurance cover the loss?

ANSWER -  If the tile was installed correctly and had adequate movement joints installed, the water flooding should not have caused the tile to debond.  Unless the water leak in the slab created a hydrostatic…

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Caulk Ceramic and Porcelain Tile Expert Answers Movement Joints Sealant Caulk

What size and type backer rod can I use for Movement joints?

ANSWER - The closed-cell foam backer rod is suppose to be wider than the movement joint.  You can compress a 1/4" foam backer rod into a 1/8" wide movement joint. The backer rod serves two…

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Ceramic and Porcelain Tile Expert Answers Standards stone

How many bad tiles are acceptable in a tile installation?

ANSWER -  In terms of manufacturing of ceramic tiles, which includes porcelain tiles that are a type of ceramic tile, there are quality control standards in ANSI A137.1  that allow a small percentage of tiles…

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Ceramic and Porcelain Tile Expert Answers Movement Joints Standards stone

Can Movement Joint Widths be less than 1/4 inch as TCNA Handbook states?

ANSWER - TCNA Handbook does say that movement joints within the tile assembly should be at least ¼” wide, but the current version of the handbook does indicate that if your movement joints are installed…

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Ceramic and Porcelain Tile Expert Answers Movement Joints Tenting

When do you need Movement/Expansion Joints?

ANSWER - Expansion joint is a type of movement joint.  All tile installations require movement joints of some type.  The tile industry installation standards require movement joints and all the manufacturers of tile and tile…

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