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Sealing

For high traffic floor areas ie bars, restaurants or any places that requires inordinate cleaning, sealing could be a useful. Sealants can alter the colour, become shiny and 'tracking' can occur. With these considerations in mind, testing on thoroughly cleaned stone using prospective sealants should be carried out. Apply as per manufacturers instruction. We do not recommend sealing residential household areas.

Stains

Identify stain if possible. The following solutions are given starting at the mildest first, all chemicals are available from most hardware stores. Follow manufactures instructions.

Oil Based - Bleach and scouring pad, Detergent, Ammonia, Mineral Spirits
Effloresence - Poultice with distilled water
Copper - Poultice with Ammonium, Chloride, Ammonimum Hydroxide
Biological - Dilute Ammonia or Bleach, Hyrogen Peroxide or Sodium Hypochlorite.
Wax - Strip with Alkaline Stripper
Paint - Alkaline Paint remover, Methyl Chloride.
Iron Stain - Ammonium Oxalate, Oxalic Acid, Dilute Hydrofluoric Acid , Cannot be removed is part of the stone