Expert Answers in Stains
How long will it take for Limestone to Dry from being wet, and will the dark spots go away?
ANSWER - There are 3 subcategories of limestone per ASTM C568. Their physical properties vary from being vary porous to very low absorbing. How fast the limestone will dry depends on how absorbing it is,…
Read MoreWhy is my Bluestone Patio Tiles coming Loose and Have Efflorescence?
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…
Read MoreHow can I clean the Grey Limestone Pebbles to remove the Brown Stain from Grouting?
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…
Read MoreWho caused the stains on my Porcelain Tile, The Installer or the Tile Manufacturer?
ANSWER - I am guessing that you had a through-body/unglazed porcelain tile since you said it was a matte finished porcelain tile and you said that the installers were able to grind the surface to…
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