Composite fenestration assembly

A composite fenestration assembly constructed of at least two different materials for securing within a rough opening separating an interior of a structure from an exterior, the assembly comprising:

• a glazing border constructed of a non-ferrous material and defining at least one glazing opening, the glazing border including a decorative surface facing the interior of the structure when positioned within the rough opening, a glazing support surface facing toward the glazing opening, and an exposed surface facing the exterior of the structure when positioned within the rough opening;
• an inner overlay constructed of a rigid ferrous material with the inner overlay including a solid first leg section projecting in a first direction and a solid second leg section projecting from the first leg section in a different direction, the leg sections together defining an interior facing surface complementary to at least a portion of the combined glazing support surface and the exposed surface, the leg sections being slipped onto the glazing border without flexing to cover at least a portion of the glazing support surface and the exposed surface of the glazing border in an abutting relationship and define a second opening aligned with the glazing opening;
• a first layer of adhesive bonding the inner overlay to the glazing border to form a first sub-assembly;
• at least one outer border constructed of a non-ferrous material and defining at least one outer border opening constructed to receive the first sub-assembly, the outer border including a decorative surface facing the interior of the structure when positioned within the rough opening, a first sub-assembly surface facing toward the outer border opening, and an exposed surface facing the exterior of the structure when positioned within the rough opening;
• a rigid outer overlay constructed of a ferrous material with the outer overlay including a solid first leg section projecting in a first direction and a solid second leg section projecting from the first leg section in a different direction, the outer overlay leg sections together defining an interior facing surface complementary to at least a portion of the combined first sub-assembly surface and the exposed surface, the outer overlay leg sections being slipped onto the outer border without flexing to cover at least a portion of the first sub-assembly surface and the exposed surface of the outer border in an abutting relationship to define a first sub-assembly receiving opening aligned with the glazing opening;
• and
• a second layer of adhesive bonding the outer overlay to the outer border to define a second sub-assembly constructed to be secured to the building structure within the rough opening with the first sub-assembly secured to the second sub-assembly.