Sarana Tile lists Slaterock White as a 12" x 23.6" porcelain tile. The face reads as the broken, tonal face of natural stone. On the residential side that covers kitchens, entry foyers and open-plan living areas. On commercial jobs it turns up in retail floors, restaurant dining rooms and hotel lobbies. The nominal size is 12" x 23.6", listed metrically as 30x60cm. It is supplied in boxes of 7 pieces covering 13.56 sq ft, a box weight of 55 lbs and 48 boxes to a pallet, 650.88 sq ft in total. It appears in the Sarana Volume 8 catalogue at page 166. Sarana prices it by the square foot.