Aextra20 consists of single-piece porcelain stoneware slabs, perfectly squared and rectified with 20mm thickness and in various sizes, with anti-slip surface finish. Thanks to the tremendous resistance of porcelain stoneware and the opportunity to choose from among four different installation systems, Aextra20 is the perfect solution for any outdoor flooring. The broad color range and the complete set of trims allow to meet any planning need.