Expert Answers in cleaning

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…

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…

ANSWER - You have to be careful on what cleaning products you use on tile, stone or grout.  Some of the grocery store brands may not be reliable for the type of cleaning you want…

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…

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…

ANSWER - Quartz Stone is a man-made material that is about 90% natural quartz suspended in a resin base. Natural stone and quartz stone can be affected by various chemicals.  The chemicals whether very acidic…

ANSWER - It depends on whether the water from the commode was contaminated or not.  Category 1 water is sanitary water.  Category 2 water is contaminated water to some degree. Category 3 water is grossly…

ANSWER - Cementitious grout is porous and more susceptible to staining and shade variation than an epoxy or urethane grout. It is possible that the difference in grout color could be just shade variation from…

ANSWER - Marble is made up mostly of calcium carbonate, which is a material that is sensitive to acid.  Lemon juice is acidic with a pH around 2; neutral is a pH of 7.   So…

ANSWER - Depending on whether the travertine tiles have been maintained properly or not over the years, it may require a more in-depth cleaning; particularly if there is staining in the stone. Generally speaking, on…