Surface Preparation for Stained Concrete - Guide to Concrete .Find out why surface step is a vital step of a successful concrete staining project and get an overview of how to prepare concrete for staining. . stripping are ineffective at removing glues, caulk, mastics, or other heavy contaminants, Harris says that you may need to resort to mechanical removal methods, such as grinding.how grind stain cement,how grind stain cement,Grinding Hard Concrete Before StainingJan 8, 2013 . Grinding hard concrete before we stain the concrete with an acetone dye. The concrete was a 8.5 on the mohs hardness test. After the concrete was stained we .how grind stain cement,How to Prepare Concrete for Staining | DoItYourselfIf the floor still looks stained or patchy hire a floor grinder to grind away a thin layer from the surface of the concrete. Use a medium grade grinding head and apply it to the whole floor surface to ensure an even finish. This will remove the most stubborn remnants of most penetrating stains like oil and grease. All of the surface.
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