Expert Answers in Stains

ANSWER - There are a number of variables involved in determining what is causing the discolored tiles, and it will likely require some intrusive inspections to verify the cause and to determine how to remediate…

ANSWER - Keep in mind that looking solely at photos is very limiting in developing a valid conclusion of what has caused the discoloration in the surface of your glazed tile floor. Looking at the photo…

ANSWER - There are all sorts of different types of ceramic tiles and finishes, so depending on what type you have will determine what will explain your concerns about your tile. Glazed tiles have a glass-like…

ANSWER - First of all, if your grout joints have turned moldy and the limestone is turning a rusty color then those are symptoms that the shower floor was not installed correctly.  Water is probably being…

ANSWER - The best way to clean soap scum and mildew from marble shower walls and floors is to use a cleaner designed for stone. Go to our website at www.CTaSC.com to Expert Answers…

ANSWER - Depending on the type of tile in terms of whether it is a ceramic tile glazed or unglazed or some type of stone and its particular physical properties relative to what type of…

ANSWER - I assume if you have efflorescence on a ceramic tile that it is either coming up through the porous grout joints or it is an unglazed porous ceramic tile. Glazed ceramic tiles have…

 ANSWER - There are many different types of Mexican tile.  There are the Saltillo Tiles, the Tecate Tiles, the Talavera Tiles, and many more.  I will assume you have the unglazed Saltillo or Tecate tiles.  The…

ANSWER - You could have either etched the glossy glazed ceramic tile or abraded it with the brush. Some high gloss tiles have a glaze that is easy to scratch and are acid sensitive. Diluted…

ANSWER - It isn't clear what Barkeepers Friend is made of, but since it is for stainless steel I assume it is somewhat abrasive and may contain an acid base. Marble is made of calcium…