US Patent 8375644 Gutter guard

A gutter guard constructed to be mounted on a gutter and to extend from the front to the rear thereof. The gutter guard comprises a central screen portion, a front mounting portion and a rear mounting portion. The central screen portion comprises a fine mesh top layer and a bottom support layer of expanded construction with openings of a desired size. The front mounting portion comprises a first metal sheet folded over and crimped to an adjacent front end of the screen portion. The rear mounting portion comprises a second metal sheet folded over and crimped to an adjacent rear end of the screen portion. The mesh top layer is hemmed to the bottom support layer and they are thereafter roll formed in a new and improved manner to prevent damage to the mesh top layer, to control its tension, and to provide close contact of the mesh top layer to the bottom support layer.