The natural black slate in flakes in the granulometry 30/60 mm of flattened shape is ideal for the decoration and mulching of flower beds and gardens, arranged on the surface of the soil, the flakes prevent the growth of weeds and reduce the evaporation of the water.

The natural black slate in flakes with a grain size of 0.6 / 2 mm is used as a protective layer for bituminous sheaths, giving greater resistance to atmospheric agents, protecting the sheath from UV rays and extending its life.