The Levels of Polished Concrete

Knowing the different levels of polished concrete will help your clients visualize the finished product. It will also help make the bid process more accurate. We have provided a polished concrete spectrum resource to help you determine the best outcome for your client.

The Polished Concrete Spectrum

200 Industrial Grit Polish Process

  • Prep floor if necessary
    • Remove glue
    • Patch holes
    • Fill cracks
  • Grind floor with 30 grit diamond
  • Grind floor with 80 grit diamond
  • Grind floor with 120 grit diamond
  • Polish floor with 100 grit resin
  • Polish floor with 200 grit resin
  • Hand polish wall edges
  • Apply color if applicable
  • Apply two coats densifier
  • Burnish floor

Examples

400 Grit Polish Process

  • Grind floor to remove existing adhesives
    • Tile mastic
    • Carpet glue
    • Other
  • Grind floor with 30 grit diamonds
  • Patch holes
  • Fill cracks
  • Grind floor with 30 grit diamonds
  • Grind floor with 80 grit diamonds
  • Grind floor with 120 grit diamonds
  • Grind floor with 50 grit transitionals
  • Apply color
  • Apply densifier
  • Polish floor with 400 grit resins
  • Hand polish wall edges
  • Apply sealer
  • Burnish

Example

800 Grit Polish Process

  • Grind floor to remove existing adhesives
    • Tile mastic
    • Carpet glue
    • Other
  • Grind floor with 30 grit diamonds
  • Patch holes
  • Fill cracks
  • Grind floor with 80 grit diamonds
  • Grind floor with 120 grit diamonds
  • Grind floor with 50 grit transitionals
  • Apply color
  • Apply densifier
  • Polish floor with 400 grit resins
  • Polish floor with 800 grit resins
  • Hand polish wall edges
  • Apply 2 coats of sealer
  • Burnish

Examples

Grind, Stain and Seal Process

  • Prep floor if necessary
    • Remove glue
    • Patch holes
    • Fill cracks
  • Grind floor with 30 grit diamonds
  • Grind floor with 80 grit diamonds
  • Grind floor with 120 grit diamonds
  • Hand grind wall edges
  • Apply color
  • Apply densifier
  • Apply Sealer

Examples

Grind and Seal Process

  • Prep floor if necessary
    • Remove glue
    • Patch holes
    • Fill cracks
  • Grind floor with 30 grit diamonds
  • Grind floor with 80 grit diamonds
  • Grind floor with 120 grit diamonds
  • Hand grind wall edges
  • Apply densifier
  • Apply Sealer

Examples

Gloss Level Table

LEVEL GRIT SHEEN
LEVEL
MINIMUM NO. OF
ABRASIVE PASSES
APPEARANCE GLOSS
READING
1 Below 100 None to very low 4 Flat. Floor has little if any reflectivity. n/a
2 100 to 400 Low to medium 5 Satin or matte appearance with or without slight diffused reflection. 40/50
3 800 and higher Medium to high 6 Semi-polished. Objects being reflected are not quite sharp and crisp, but can be easily identified. 50/60
4 800 and higher Medium to high 7 Highly polished. Objects being reflected are sharp and crisp, with mirror-like clarity. 60/80
2017-12-05T18:06:51+00:00