Expert Answers in cleaning

ANSWER -  Normally if you have a  yellow/brown rust-like color stain it is due to a combination of the stone being subjected to excessive moisture and due to the presence of metal, or that the…

ANSWER - The dark color spots could possibly be due to underlying moisture below the granite tiles or they could be stains in the granite tiles. Granite is suppose to be technically impervious meaning low…

ANSWER - If the flagstone shaped Bluestone is loose and has excessive efflorescence staining then it wasn't installed correctly.   If the patio had been designed correctly and the stone installed properly it should perform well…

ANSWER - You didn't mention what kind of tile you had.  Natural stone of various types are known to contain ferrous oxide that can lead to staining in the tile or the adjacent grout. Since…

ANSWER - Bleach is high in alkalinity with a pH value of about 12.  Strippers used to remove paint and sealers, so it can be very harsh. High gloss black glazed ceramic tiles is known…

ANSWER - The best way to clean a ceramic tile floor is to purchase a neutral based cleaner/detergent and apply it to the floor.  Let it sit for 10 minutes or so.  Then use a…

ANSWER - Severe efflorescence is a symptom of an excessive moisture problem.  Removing the efflorescence stain is treating the symptom rather than the problem. Efflorescence is a mineral stain.  Minerals are forms of salts that…

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…

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…

ANSWER - The white material on the back of the tile is called engobe.  It is a ceramic pasted that is applied to the back of the tile for the firing process so the tiles do…