Slate has many advantages:
1) Long life and durability.
2) Resistance to acid and pollutants.
3) A fireproof building material.
4) An impermeable barrier to water.
5) A highly slip resistant material.
6) The outstanding insulation from heat and cold.
7) Resistance to chipping, cracking and abrasion.
8) A long life and fireproof roofing material. High strength material.
9) The warmth and elegance of a natural stone.
10) Many different colors including green, gray, red, multicolor, rusty, pink and so on