Patent ID: 8011163

Claim:
A method for laying a level natural stone tile floor comprising the steps of: laying and leveling a first tile at a predetermined height above a floor; positioning a four sided form with sides at right angles to each other with an open space therebetween, such that a first leveling side is abutted up against a first side of said first laid tile and such that leveling devices associated with said first leveling side are positioned over the first laid tile; adjusting said overlying leveling devices such that a top edge of said abutting leveling side lies in a plane horizontal and parallel to the top surface of said first laid tile; adjusting leveling devices associated with a second leveling side such that a top edge of said second leveling side lies in the same plane as said top edge of said first leveling side, said second leveling side being located opposite said first leveling side; filling said open space within said form with mud to the top edges of said four sides, said mud comprising; a bottom layer of a bonding material, and a relatively thick layer of a base material; removing the form; and laying a second tile with a layer of adhesive thereunder over the applied mud such that a top surface of said second tile is level with the top surface of said first laid tile.