Expert Answers Glass Tile installation Standards

Does the installation of Glass Tile require a Crack Isolation membrane?

ANSWER – There are no mandatory requirements to install glass tile over an ANSI A118.12 crack isolation membrane, unless the substrate to which the tile will be adhered to has non-structural cracks.  Tile cannot be…

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cracks Expert Answers failures Floor Warming Repairs stone

How do I repair the crack in my travertine floor over electric radiant heating?

ANSWER – I assume there was a wood subfloor under the carpet.  The cementitious backer board should have been glued and screwed every 8″ to the subfloor.  The 3×5 foot sheets should have been staggered…

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cleaning Expert Answers Maintenance sealers stone

How Should I clean and maintain my Limestone flooring?

ANSWER – Normally all you need to clean limestone or other types of natural stone is a neutral based cleaner or detergent.  It is recommended to purchase cleaners that are manufactured specifically for cleaning natural stone.  There…

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Ceramic and Porcelain Tile Concrete Substrate Slab Expert Answers failures Grout Interior Moisture Problems

Why is water coming out of my Tile Grout Joints?

ANSWER – I will assume that your tile floor is installed over a concrete slab on ground.

We know that in New Orleans, as well as in other geographic areas, there is a very high…

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Expert Answers Grout installation Interior Lippage stone

What is the allowable Lippage for Stone Tiles?

ANSWER – According to the Marble Institute of America (MIA), on smooth surface stones, lippage should be limited to +/- 1/32″.   Further more they state that allowable lippage is an installation tolerance, and is…

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

What is Efflorescence and How to Avoid it?

ANSWER – Excessive efflorescence staining (generally a whitish substance) on stone, tiles,  grout, or adjacent surfaces is a generally a symptom of an excessive moisture problem. Read More

Ceramic and Porcelain Tile Expert Answers Hollow Sounding Tiles Standards stone

Are there standards stating the acceptable tolerances for Hollow Sounding Tiles?

There is no standard for whether a tile should sound hollow or not, or do what degree.   A hollow sound can mean the tile, or a portion of the tile, is not bonded or…

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Ceramic and Porcelain Tile Expert Answers Optical Haze Visual

How do we remove the Optical Haze from our Polished Tile?

ANSWER – Optical Hazing is a distortion condition that is found on some polished ceramic tile surfaces.  The distortion is invisible under normal lighting and only noticeable when illuminated by light coming in from the side…

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Debonding Tile failures Movement Joints stone Tenting

What has caused my marble tiles to Tent up from the floor?

ANSWER – When there is a problem it is generally not due to one deficiency, but rather due to multiple deficiencies.

Buckling marble tile or tenting marble tile is typically due to the marble is expanding…

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Ceramic and Porcelain Tile cracks Expert Answers failures installation Wet Areas

Why did the shower walls bow and crack?

ANSWER –  First of all, tile applications installed on shower walls should not bow or crack.   What you describe sounds like it is a shrinkage problem in the floated wall mortar bed.  You didn’t…

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