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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 MoreWhat caused my limestone tile to develop a yellow/brown stain along its edge?
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…
Read More cleaning Debonding Tile Efflorescence Staining Expert Answers Exterior failures Inspections Maintenance Stains stone
Why 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 to Remove and Prevent Efflorescence from Coming Back?
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…
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…
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