Endless naturalness Rockstone is an exceptional collection of unalterable porcelain tiles that revolutionize finishes for high-traffic spaces. Rockstone offers extraordinary qualities, such as minimal porosity, durability of colors over time, certified CTE Class 2 R11 slip-resistant properties and adaptation to heterogeneous spaces. The excellent properties of this full-body porcelain tile allow it to resist wear, chemicals, dirt or weight, while maintaining all its specific characteristics. Iris evokes the stone worn by metamorphic pressure with veins and cracks in dark tones that contrast with the mink base, full of small elements in cinnamon, chestnut or wenge.