Expert Answers in Stains

ANSWER - There are a lot of variables in your situation and it is difficult to give you a clear recommendation on the limited information you provided. You should go to the manufacturer of the…

ANSWER - Whatever you do, do not use any acid, and in particular do not use muriatic acid, which is very corrosive and could etch and damage the tile. If the gray stains were not…

ANSWER - What you describe sounds like the installer tried to clean the porcelain ceramic tile with too corrosive of a acid cleaner.  The acid likely etched the surface of the tile, which permanently damages…

ANSWER - Chances are the spots you see are etched spots.  This is caused by acidic substances such as juice, alcohol, etc. coming in contact with glazed tile where the glaze is acid sensitive.  Normally…

ANSWER - Chances are the stone that you have may be over-burden granite or a type of metamorphic stone called gneiss, which commonly is sold as granite. Often these types of stones are very colorful…

ANSWER - The ceramic tile you described is either a glazed porcelain tile or an unglazed porcelain tile.  Either way the surface of the tile is technically impervious with an absorption rate of less than…

ANSWER - The easiest way to remove a cement film off flagstone or tile is using an acid if done correctly.  If there is thick excess grout on the flagstone then that should be scraped…

ANSWER - If you have a glazed ceramic tile or an unglazed porcelain tile the latex paint should not be a problem to remove. It could be more problematic if you have a very porous…

ANSWER - Mold or any type of microbial growth is a symptom of excessive moisture.  Mold spores are ubiquitous.  They are found everywhere.  If there is high moisture or humidity at moderate temperatures mold will grow.  …