KENLOC   KenLoc Roof Panels: Roll Formed to provide a coverage width of 16" with 1" vertical snap-loc major ribs flanking on an attractive flat roof surface.  The flat surface between major ribs shall have a minimum of three major stiffening ribs equally spaced to minimize oil canning.  The positive lock design of the major ribs detours water penetration at lap joints.  The roof panels are fabricated from 26 or 24 gauge grade 50 high-strength steel with a G-90 minimum hot-dipped galvanized coating that conforms to ASTM A-653 and is painted in a variety of colors.