CUPA 98 dark grey slate roof tiles with riven surface

CUPA 98 roof slates are made from non-carbonated slate formed by tectonic compression. Colour: dark grey with thin laminations. Surface: riven. Sizes: between 25x25 and 70x50cm. Format: normally rectangular; other options available. Average thickness: 5, 6, 7.5 and 9mm. Water absorption: 0.12% code: W1 (< 0.4%). Origin: Spain