description referring to the drawings in a greater detail and by reference characters thereto there is illustrated in fig1 a portion of a gutter generally designated by reference numeral 14 and which is attached to a supporting structure 12 to receive run off from roof 10 gutter 14 is of a conventional design which is widely available in the market place and has a back wall 16 which is designed to lie substantially adjacent to the supporting structure 12 extending between a front row 20 and back wall 16 is a bottom 18 front wall 20 includes a lower vertical segment 22 a central arcuate segment 24 and upper vertical segment 26 as may be best seen in fig3 at the upper end of upper vertical segment 26 there is provided an inwardly extending flange 28 and a reversely extending lower flange 32 connected thereto by means of a bight 30 as seen in fig1 a conventional end cap 34 is utilized to seal the end of gutter 14 according to this embodiment of the present invention there is provided a gutter guard which is generally designed by reference numeral 36 which has a central mean planer portion 38 extending the length of gutter 14 main central portion 38 has a first side 40 approximate back wall 16 and a second side generally designated by reference numeral 42 approximate front wall 20 central planer portion 38 is provided with a plurality of apertures 43 which as may seen extend in diagonal rows in an angle of 45 degrees with respect to the length of gutter guard 36 at first side 40 gutter guard.