Gutter guard with irregular grooves

A gutter guard device comprising:

• a bridge member composed of a decking material having a plurality of orifices, and having a roof side and an opposing gutter lip side;
• at least one irregular groove disposed in the decking material altering a profile of the deck material to outline a variable 3-dimensional geometry that spans the bridge member from a proximal end of the bridge member's roof side to a proximal end of the bridge member's gutter lip side, the at least one irregular groove having a height and width, wherein along a length of the irregular groove the height varies from a bottom of the at least one irregular groove;
• a roof attachment member configured to attach to the roof side of the bridge member;
• and
• a gutter attachment member configured to attach to the gutter lip side of the bridge member;
• wherein the gutter guard device is self-supporting.

A gutter guard device comprising:

• a bridge member composed of a decking material having a plurality of orifices, and having a roof side and an opposing gutter lip side;
• at least one irregular groove having a height and width spanning the decking material, wherein along a length of the at least one irregular groove the width varies;
• a roof attachment member attached to the roof side;
• and
• a gutter attachment member attached to the gutter lip side.