Patent ID: 7424794

Claim:
A floor comprising a plurality of joists ( 2 ) having a top surface; a plurality of boards ( 1 ), wherein the plurality of boards is laid on the plurality of joists ( 2 ) and forms a floor; a plurality of fasteners ( 3 ), wherein the plurality of boards is secured to the plurality of joists ( 2 ) by the plurality of fasteners ( 3 ); wherein a board ( 1 ) of the plurality of boards has a longitudinal bottom edge; a water drip ( 4 ) disposed along the longitudinal bottom edge of the board ( 1 ) and forming an integral part of the board ( 1 ); a distance piece located between the board ( 1 ) of the floor and the plurality of joists ( 2 ), wherein the distance piece ( 5 ) separates the water drip ( 4 ), from the top surface of the plurality of joists passing through under the water drip ( 4 ); wherein the water drip ( 4 ) is furnished with a milled longitudinal profile; wherein the board is secured to one of the plurality of joists by three fasteners; wherein the plurality of boards comprises boards made out of wood; wherein each one of the plurality of boards exhibits a first longitudinal recess on the bottom side of each board near a neighboring first longitudinal edge of the board for forming a respective first water drip ( 4 ); wherein each of the plurality of boards exhibits a second longitudinal recess on the bottom side of each board near a neighboring second longitudinal edge of the board for forming a respective second water drip ( 4 ); wherein the distance piece ( 5 ) has a length which is no more than the distance of the first longitudinal recess from the second longitudinal recess; wherein the distance piece ( 5 ) has a width which is substantially equal to a width of the plurality of joists ( 2 ) and wherein the distance piece is disposed between one of the plurality of boards and one of the plurality of joists at the intersection of the respective board and joist when seen in projection; wherein the first longitudinal recess has the shape of a cylinder section, wherein the second longitudinal recess has the shape of the cylinder section, wherein the distance piece ( 5 ) has a thickness which is no more than the width of the cylinder section; wherein the plurality of boards are disposed parallel to each other and are disposed in a first common plane, wherein the plurality of joists are disposed parallel to each other and are disposed in a second common plane, wherein the first common plane is disposed parallel to the second common plane, wherein the plurality of boards have a longitudinal extension, wherein the longitudinal extension of the boards is disposed perpendicular to a longitudinal extension of the plurality of joists; wherein the plurality of boards are disposed at a predetermined distance from each other and each one of the plurality of boards has substantially a rectangular cross section.