The ornamental design for an edgeextrusion for a roof rack, as shown and described.
FIG. 1 is a perspective view of an edge extrusion for roof rack showing the design of the invention. In the drawings, the edge extrusion for roof rack is shown with symbolic breaks in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.
FIG. 2 is a front view thereof.
FIG. 3 is a rear view thereof.
FIG. 4 is a side view thereof; the opposite side being a mirror image thereof.