The Nero colour of the Concrete Wood collection is a 20x120 CM wooden tile with a charcoal-grey face, a wood look and a matt finish with structure. Ridged grain lines run along the plank, broken by small pores that give it a cast-concrete character. For choosing, the key listed values are water absorption of < 0.05% (ISO-10545-3), breaking strength of > 1800 N (ISO-10545-4) and surface abrasion resistance of Class PEI 4 (2100 revolutions) (EN 154). Slip resistance (COF) is > 0.40 dry, <0.40 wet (ISO-10545-17), stain resistance is Class 5 (ISO-10545-14), frost resistance is a pass (ISO-10545-12) and reaction to fire is Class A1 - A1 fl. Concrete Wood is also offered in Natural, Beige, Brown, Avorio, Grey and White.