Walkable secure patio door threshold

A new and improved walkable secure patio door threshold for providing a patio door sill that is comfortable to the feet, can be walked upon, and is as theft proof as possible comprising, in combination:

• a lower extrusion having a lower surface and a vertical extension, the lower surface having a plurality of apertures vertically therethrough, the vertical extension having a lower end and an upper end, the lower end integral with one end of the lower surface of the lower extrusion;
• an upper extrusion having a plurality of guide grooves and a plurality of break grooves, the guide grooves having a vertical configuration and having a flat surface positioned between each guide groove, a first flat surface removably positioned upon the upper end of the vertical extension of the lower extrusion, each of the guide grooves functioning to receive a sliding door, each of the flat surfaces functioning to separate each sliding door adapted to be positioned within the guide grooves, a sliding groove positioned adjacent the guide grooves, the sliding groove functioning to accommodate a screen door with rollers, a convoluted end portion formed adjacent the sliding groove, a plurality of countersunk apertures formed within the plurality of guide grooves, the countersunk apertures aligned with the plurality of apertures formed in the lower surface of the lower extrusion for securement thereon by a fastening means;
• a plurality of non-skid surfaces secured to the flat surfaces of the upper extrusion;
• a plurality of drainage apertures formed in the plurality of guide grooves and the convoluted end of the upper extrusion;
• and
• a plurality of snap-on covers designed for removable positionment within the plurality of guide grooves of the upper extrusion.