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Slate

A foliated metamorphic rock that is formed through the metamorphism of shale. It is a low-grade metamorphic rock that splits into thin pieces.

All slates have a moderate absorption rating and will stain when exposed to oil and highly-pigmented liquids. All slates have a low abrasion resistance rating and are likely to scratch.

Maintenance:

  • Always seal slate prior to grouting or use.
  • To reduce the appearance of staining, always wipe up spills immediately. Oil and highly-pigmented liquids can penetrate and stain the stone and may need poultice to remove the stain.
  • Use walk-off mats at entrances and expect the material to patina rapidly.
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