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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cleaning Debonding Tile Efflorescence Staining Expert Answers Exterior failures Inspections Maintenance Stains stone

Why is my Bluestone Patio Tiles coming Loose and Have Efflorescence?

ANSWER - If the flagstone shaped Bluestone is loose and has excessive efflorescence staining then it wasn't installed correctly.   If the patio had been designed correctly and the stone installed properly it should perform well…

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Ceramic and Porcelain Tile cleaning Efflorescence Staining Expert Answers Maintenance Stains

How to Remove and Prevent Efflorescence from Coming Back?

ANSWER - Severe efflorescence is a symptom of an excessive moisture problem.  Removing the efflorescence stain is treating the symptom rather than the problem. Efflorescence is a mineral stain.  Minerals are forms of salts that…

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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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