Flanged edge protector for window unit

Abstract

An edge protector for a fenestration product is integrally formed of a single sheet of corrugated paperboard that has been perforated, slit, scored, glued, and folded in a particular manner so as to be generally flat in overall configuration prior to being placed in use. At the time of installation, the protector is partially unfolded out of its flat plane to assume an overall generally transversely L-shaped configuration, having a pair of legs intersecting one another at right angles to form a receiving corner for the face and side margins of the product. One leg of the protector forms a flap that covers a marginal portion of the face of the product when the protector is fitted onto the product, while the other leg forms a second flap that covers a marginal portion of the sides of the product. A stiff, relatively short spacer flange comprising a double layer of the material glued together projects edgewise from the outside of the corner in the opposite lateral direction from the side flap to keep the face of the product spaced away from foreign objects. Wrapping of the protector around an outside corner of the product is facilitated by the provision of tear-out tabs embodied in the face flap so that the appropriate tab aligned with the corner of the product may be torn out to leave an empty notch in the flap at that location. The absence of material at the corner of the product eliminates the structural rigidity otherwise afforded by the face flap at that location to enable the protector to more readily bend around the corner.