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Level 1 – Flat [Ground]

Level 1 – Flat [Ground]. Level 2 – Satin [Honed]. Level 3 – Semi-Polished. Level 4 – Highly Polished. Additional Protection. If floor will have potential to be stained, then a stain guard can be applied. Protection After Completion.

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Level 1 – Flat [Ground]

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  1. Level 1 – Flat [Ground]

  2. Level 2 – Satin [Honed]

  3. Level 3 – Semi-Polished

  4. Level 4 – Highly Polished

  5. Additional Protection • If floor will have potential to be stained, then a stain guard can be applied

  6. Protection After Completion Participants should understand polished concrete must be protected

  7. A Special Note About Samples

  8. Be Careful, Be Very Careful • Use of samples can be problematic • Polished concrete is similar to wood and stone – will have a natural finish that cannot be predicted by a sample

  9. Diamond Abrasives and Full/Maximum Refinement

  10. Diamond Abrasives • Most significant tool • Many forms, shapes and sizes • Industrial grade • diamonds set in • metal or resin bondings of varying grits

  11. Diamond Abrasives • Categorized as: • - Coarse • - Medium • - Fine • For concrete that is: • - Soft • - Medium • - Hard

  12. Diamond Abrasives • Levels of abrasion: • - Grinding: 100 grit metals; 50 grit resins • - Honing: 100, 200, and 400 grit resins • - Polishing: 800 grit and above resins

  13. How Diamond Abrasives Work • Abrasives cut peaks and valleys in concrete • Higher the grit, peaks and valleys are smaller • Each grit removes peaks and valleys of previous grit and can fully refine its own peaks and valleys

  14. Most Important Aspect • Have to achieve full/maximum refinement for each bonded abrasive grit • Abrasive no longer cuts (or cuts very little) under its current weight • More refinement means more resistance to abrasion

  15. Most Important Aspect • Full/maximum refinement achieved when surface is smooth (no peaks or valleys) and light is reflected in a perfectly organized manner

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