Highly suitable for the harsher winter climate with a high resistance to frost levels the hard-wearing Te.Si. tiles have earned a 30-year warranty. The TeSi is an evolution of the Portuguese tiles that withstands ice, hail and heavy loads. Due to the innovative design ,these tiles can be laid very quickly in both horizontal and vertical rows, saving time and minimising installation costs. The interlocking edges guarantee enhanced water tightness and wider channels improve water draining.