EN 12326, British Standard: BS 680 Part 2 Cupa Pizarras CUPA 14 is a non-carbonated slate formed by tectonic compression. Dark grey slate with thin laminations and a riven surface.

But, if you want a look that won’t fade as quickly, neutrals like black or gray are your best bet. 2. Slate tile flooring in mudrooms and entries Nearly black slate flooring for mudrooms and ...