Quick Answer

A polished finish is built step by step, and every grit stage has a job to do. The standard grit stage sequence for glossy concrete is 50 → 100 → 200 → 400 → 800 → 1500 → 3000. Start at 50 only when the floor requires material stripping; start at 200–400 for maintenance burnishing.

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Key Features of a Correct Grit Sequence

What matters most in this stage.

• High-gloss finish: 1500–3000 produces the final reflective sheen.
• Metal bonds first: 50–100 metal or coarse resin segments strip coating layers and level the floor.
• Transition mid-range: 200–400 closes the surface and removes coarse scratch marks.
• Resin burnishing: 800–1500 refines and begins to show mirror finish.

Miss this step and the gloss will not come up evenly.

How to Choose the Right Sequence

The practical details.

Crews that rush this part rarely get a mirror finish.

A Practical Guide to Use It

Key points for the polishing sequence.

• For a final high-sheen stage, use burnishing pads for concrete slab burnishing.
• Run each grit stage until the previous scratch marks are gone — inspect at an angle under raking light.
• Add a densifying sealing layer after 400–800 and finish with 1500–3000 for maximum reflection.
• Industrial vacuum between grit stages so coarse fine dust does not scratch mark finer pads.

This stage decides how much reflection the floor finally shows.

Frequently Asked Questions

Q: Am I able to skip grits to save time?

A: In short, Skipping more than one stage in most cases leaves visible scratch marks. In maintenance work you can start at 200, but do not jump from 200 to 800.

Q: Do I need 3000 grit on every floor?

A: The practical answer is, No. Most commercial floors stop at 800–1500. Use 3000 for decorative, showroom-level mirror finish.

Q: How exactly many pad sets do I need for a large floor?

A: For most jobs, Plan roughly one set per equipment per 400–600 m², depending on hardness. Assess a small area first.

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Conclusion

Follow the grit ladder in order, keep the pads flat, and the gloss builds predictably. Follow the sequence, do not skip stages, and keep the floor clean between grit stages.