Heavy ga. Galvanized steel, unitized, full mitered corners, all seams welded, 1 1/2″ thick rigid fiberglass insulation, pressure treated wood nailer strip. All curbs are internally reinforced in larger dimensions. On b style curbs, overhand is 1/2″ unless otherwise specified.
  • Fabricated to your custom dimensions in your choice of Galvanized, Stainless, Copper, Galvanneal, Galvalume or Black Steel.