Dry Layout Required. Product MUST be installed in accordance with current TCNA Handbook Stone Methods. Not suitable for use near Heat such as Fireplace or Stove Top. Tile surface temperature above 170F may cause epoxy to yellow or weaken and cause metal inlay to delaminate. Dry laying of this product prior to installation is required. Carved natural stone - hand finished. Allow for variation in piece-to-piece alignment. Expect variation in overall color and surface finish. Plan your layout accordingly. We recommend only using epoxy mortar and follow all instructions for correct installation method. Use proper troweling techniques. Directional troweling and back-buttering large format tiles helps ensure full coverage, mortar transfer, and bond. Black stones are subject to visible scratching. Consider bag grouting this product. Seal and utilize a grout release prior to grouting