A self-supporting gutter guard device is described having 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 groove disposed in the decking material altering a profile of the deck material to outline a 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, 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 3-dimensional geometry of the at least one groove enables the device to be self-supporting.

A gutter guard device is described 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 truss spanning a top surface of 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, 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 roof attachment member, the bridge member and the gutter attachment member are a single piece of material and the device is self-supporting.

A gutter guard device is described 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 truss spanning a top surface of 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, 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 roof attachment member, the bridge member and the gutter attachment member are a single piece of material and the device is self-supporting.