You can use a 16 grit diamond 20 grit diamond or more specialized and.
How to polish concrete floor with grinder.
How to polish a concrete floor with a handheld grinder step 1.
Use the floor grinder to apply concrete floor polish over the whole surface.
Dust will seep through.
Cover any vents and under doorways with plastic sheeting and low tack painter s tape.
Begin grinding with a 30 or 40 grit diamond.
Then move up to a 150 grit bonded diamond or something finer if necessary.
Polish with a 100 or 200 grit resin bond diamond or a combination of the two.
Next you ll need to seal all joints and cracks with some type of semi rigid filler or epoxy.
Vacuum the area thoroughly to remove all dust and debris.
Apply a chemical hardener to densify the concrete.
Grind the concrete floor using a 30 to 40 grit metal bonded diamond.
After you ve made the last pass the surface should have a nice sheen to it.
Polish with a 400 grit resin bond diamond.
Exercise caution and follow all instructions provided when using the floor grinder.
Wash the concrete with a mild dishwashing soap and.
Doing so should give you an extra sheen.
How to grind and polish a concrete floor remove any existing coatings on the concrete.
Attach a burnishing pad to the grinder and pass it over the concrete.
How to diamond grind a concrete floor to the correct concrete surface profile required before installation of an epoxy or urethane coating.
At this point in the process apply a chemical hardener to the floor s surface to densify the concrete.
The polishing begins now after densifying you keep moving up in grit size from 100 200 400 800 all the way to 3000 depending on the desired surface.
Remove the final grinding disc from your concrete grinder and put on a burnishing pad once again following the product instructions.
Your concrete floor is now looking its best.
I like really shiny.