Begin by sweeping and vacuuming the concrete floor thoroughly. Remove stains with the appropriate cleaners — oil, grease, or chemical marks may need specialised treatment. Once clean, repair any cracks or chips using concrete filler or patch compound. Sand these flush once cured.
Use a floor grinder fitted with coarse, low-grit diamond tools (30–40 grit) to remove surface imperfections, residue, and unevenness. Work in overlapping passes and keep the grinder moving steadily to avoid gouging. This exposes the raw concrete and prepares it for polishing.
After initial grinding, gradually move to finer grits — 100, 200, up to 800 or even 3000 for high-gloss results. Each pass removes scratches from the previous grit. Take your time at each level for a consistent finish.
Once the surface is prepped and level, apply a concrete densifier. It penetrates and chemically hardens the surface, improving durability and polishability. Ensure even application and allow it to cure as per the manufacturer's guidelines.
Use diamond-embedded polishing pads with high grit levels (up to 3000) for a mirror-like finish. For added protection, apply a sealant — especially in areas with high traffic or spill risk. Let it cure fully before use.
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