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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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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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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Counter tops Slab stone

Why did my black granite Counter Top discolor?

ANSWER – Many granite slabs are treated with resin color enhancers to make the granite slab look better.

If the granite slab’s polished surface was adjusted then the fabricator should have repaired it so it…

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Ceramic and Porcelain Tile Concrete Substrate Slab Expert Answers installation stone

How Long Should Concrete Cure before Installing Tile?

ANSWER – Generally speaking allowing the concrete to cure for 28 days allows it to achieve 90% cure and there is no significant shrinkage in the concrete after that in terms of installing ceramic tile over…

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Counter tops Exterior installation Maintenance sealers selection Slab stone

What should I take into Consideration in Selecting a Granite for an Exterior Countertop?

ANSWER – First of all let me give you some background info to consider.  Not all granite, or stones in general, are made equal by mother nature.   Being a natural material the physical properties can…

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Debonding Tile failures stone

What caused this marble floor tile failure?

ANSWER – Keep in mind that when there is problem it is generally  not due to a single deficiency, but due to multiple compounding deficiencies.

Looking at photos I note the following, but I can’t state…

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failures Standards stone Waterproofing Wet Areas

Was my granite shower installed correctly?

ANSWER – First of all, green board is not an acceptable substrate in a wet area per the tile and stone industry standards, and per the Gypsum GA-216.   Green board is water resistant but will…

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