Abstract: The present invention provides a shield constructed from a malleable, corrugated material, wherein the shield is suitable for use in roofing applications. In some embodiments, the invention provides a roofing gutter guard shield including a malleable, corrugated material, the corrugated material including a plurality of openings through which liquid can pass and which openings substantially inhibit passage of roofing debris, the shield having opposed first and second sides with the first side for placement adjacent a roof and the second side for placement adjacent to a gutter, wherein corrugations in the corrugated material extend laterally across the shield between the first and second sides.