Custom, on site metal roofing system
McElroy Metal is the manufacturer of the metal used in the Grid-lock roofing system. Click the button to see how each color looks installed on a virtual roof.
Gridiron owns a portable roofing machine, which allows us to fabricate panels on-site, according to exact measurements.
Grid - lock Metal Roofing System
The panel is roll formed to provide a coverage width of 16" with 1" vertical snap-lock major ribs flanking on an attractive flat roof surface. The positive lock design of the major ribs detours water penetration at lap joint. The roof panels are fabricated on-site from 26 or 24 gauge grade 50 high-strength steel with a G-90 minimum galvalume coating that conforms to ASTM A-653.