Ceramic and Porcelain Tile cleaning Expert Answers Maintenance Moisture Problems sealers Stains

Why did the porcelain tile under my rugs turn dark?

ANSWER - Porcelain tile is not known to fade.  It is not uncommon to find that the tile color under rugs that have been in place a long time are a different color or shade. …

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cleaning Expert Answers Exterior Maintenance Moisture Problems sealers Stains stone

What has caused my Blue Stone to show rust stains?

Questions -  Most stones contain some ferrous oxide minerals that when subjected to excessive moisture can cause a rust-like stain.   For it to occur the stone has to be subjected to some level of moisture.…

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cleaning Counter tops Expert Answers Maintenance Repairs Slab Stains stone

What is causing the White Stain on my Granite Countertop and What can I do about it?

ANSWER - I assume you must have an Ubatuba granite counter top. Many granite and other types of stone are treated at the processing plants with sealers or color enhancers or resins to stabilize or…

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cleaning Expert Answers installation Moisture Problems Polished sealers Showers Stains stone Wet Areas

Is it recommended to install Carrara Marble in Steam Showers?

ANSWER - I have seen Carrara Marble installed in showers and steam shower successfully, but I have also seen where there were staining problems. Many marbles contain pyrite (iron sulfide) minerals which is a natural…

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Ceramic and Porcelain Tile Concrete Substrate Slab Expert Answers installation Showers Stains Wet Areas

Should we replace the discolored Tile and concrete base in the Shower?

ANSWER -  Normally installing tile over damp mortar doesn't cause staining.  We call that a wet set method if the mortar is installed at the same time as the tile is installed.  A thin-set adhesive…

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Ceramic and Porcelain Tile cleaning Expert Answers grout Maintenance Showers Stains Wet Areas

Why are my subway tiles have stains around the edges?

Answer - If you have subway tiles, I assume you are talking about tiles on the walls of the shower.  Although perhaps you did install the subway tiles on the shower floor. Most subway tiles…

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Ceramic and Porcelain Tile cleaning Expert Answers Stains

How can I clean the cement off of my Porcelain Tile?

ANSWER - If the dirty condition is actually a cementitious residue then a diluted phosphoric solution of acid should clean it.  If the residue is from a polymer modified adhesive, then you might need a…

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Expert Answers installation Stains stone

Will the Wet Spots on my recent Marble Slab Installation go Away?

ANSWER - If you have a number of wet/dark spots on your newly installed marble slabs, it may be that the marble slab was installed in a spot bonded method. If the marble slab was…

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Ceramic and Porcelain Tile cleaning Expert Answers grout Maintenance sealers Stains Wet Areas

How do I remove stains on my grout in my bathroom?

ANSWER -  The TEC 550 Power Grout says it is a unique cementitious formula, and that its unique formulation is stain proof* and provides strong, color consistent joints free of efflorescence that is resistant to…

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cleaning Expert Answers Stains stone Stone Restoration

How do I remove the dark stains at the seams of our limestone fireplace?

ANSWER - If you have dark stains at the seams of the limestone fireplace, that suggests that the stone installer used a sealant or resin for those joints that bleed into the stone leaving a…

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