cleaning Expert Answers Grout Stains stone

How can I clean the Grey Limestone Pebbles to remove the Brown Stain from Grouting?

ANSWER - There are different types of limestone.  The low density limestones are porous and more susceptible to staining.  Medium density limestones are less porous, and high density limestones are even less porous.   All of…

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Ceramic and Porcelain Tile Concrete Substrate Slab Expert Answers Flood Grout Leak Repairs

How can I find a leak in the Washer Drain Pipe?

ANSWER - If the water is consistently coming up through the tile grout joints when the washing machine drains, and you don't see any water in the wall at the drain pipe, then the water…

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cleaning Expert Answers Maintenance Moisture Problems Physical Properties sealers Spalling stone Workmanship

Why do I now have Problems with my Limestone After it was Cleaned and Re-Sealed?

ANSWER - Refinishing or restoration of stone floors is a common maintenance process.  There are many levels and degrees of what that might involve. Typically the stone floor will be cleaned with cleaning solutions and…

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Caulk Ceramic and Porcelain Tile Expert Answers Movement Joints Sealant Caulk

Should I use 100% Silicone Caulk Sealant or the Sanded Caulk Sealant?

ANSWER - The tile and stone industry standards require that an ASTM C920 sealant (caulk) is used for movement joints and transition joints between changing planes or materials.  ASTM C920 are normally 100% silicone or…

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Brick Expert Answers Grout installation stone

Is it better to install Travertine Stone over a Brick substrate instead of a Backer board Substrate?

ANSWER - If the existing brick facade is stable, then it would be better to install the travertine ledger stones over it.  It should be a more structurally stable surface to adhere to.  You will…

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Expert Answers Grout stone Storage

Could my Cararra Marble be Damaged from leaving it outside? Can I use non-sanded grout?

ANSWER - I don't know why someone would say the marble could crack, if it isn't already cracked.  I don't know what evidence there could be to suggest the marble could crack if it isn't…

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Ceramic and Porcelain Tile Expert Answers Performance selection

What recourse do I have if I was sold a wall tile for a floor application?

ANSWER - There are smooth floor tiles as well as smooth wall tiles.  Often floor tiles are used on walls as well as on floors. On shower floors they should be using a tile that…

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Ceramic and Porcelain Tile Expert Answers failures Grout Hollow Sounding Tiles installation Repairs

Why do I have loose Grout and Hollow Tiles?

ANSWER - Even though the tile floor was installed 15 years ago, if it was installed correctly it should not have loose grout; unless it was abused in some way.  I am assuming that these…

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installation Lippage stone Workmanship

What is the allowable Lippage for Cleft/Ungauged Natural Stone?

ANSWER:  According to the NSI-MIA Dimension Stone Design Manual VIII, the maximum allowable lippage (the amount of vertical difference between two adjacent tile edges) for a calibrated smooth finished natural stone is 1/32". Although the…

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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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