Frontier 20 of the Landmark range is a collection of gres porcelain stoneware products in 20 mm thickness, whose characteristics guarantee excellent technical performance, practicality and functionality in the outdoors and in spaces that require high performance. The surface is resistant, frost-proof, anti-slip, easy to install, is unalterable over time under any conceivable weather conditions and does not suffer from attack by molds, moss or verdigris plant treatment. Frontier 20 combines top performance with aesthetic attention to detail and guarantees the utmost versatility.