
The standard grit order for a glossy concrete or terrazzo floor is 50 → 100 → 200 → 400 → 800 → 1500 → 3000. Start coarse only if the floor needs levelling; for maintenance polishing you can start at 200 or 400. Step up only when the scratch pattern is uniform, and finish with a burnishing pad or densifier for maximum gloss.
| Job Type | Sequence |
|---|---|
| Full grind & polish (new slab) | 50, 100, 200, 400, 800, 1500, 3000 |
| Maintenance / light restoration | 200, 400, 800, 1500, 3000 |
| Gloss boost after densifier | 800, 1500, 3000 + burnishing |
A: Skipping usually leaves scratches that appear later. On maintenance work you can start finer, but within a sequence, don't skip more than one grit.
A: Most commercial floors stop at 800–1500. 3000 adds a decorative mirror gloss and is often specified for showrooms.
A: For a 1,000 m² project, plan one set per machine per 400–600 m² depending on hardness — test on a small area first.
Follow the grit order, don't skip, and keep the floor clean between steps. Start with a quality pad set like the Diamond Resin Polishing Pads for Concrete & Terrazzo Floor (JOY-RFP-01) or the Diamond Resin Floor Polishing Pads (JOY-RFP-02), and finish with Burnishing Pads for Concrete Floor Polishing (JOY-RFP-BP2) for a professional gloss.