We make installation easy with our labeled grid system map, to reproduce any image, to any size. This install only took two hours from start to finish! The right prepwork, and adhesives are crucial to success, with of course skilled labor. We alway recommend Certified Tile Installers (CTI) for quality assurance. This team dry laid the pattern, then removed and applied Ardex X77 surpassing A108 requirements, and the new ANSI 137.2 glass tile specifications.