Hollow Steel Door Maximum Security Hollow STEEL Door excellent for high traffic areas, control rooms, and cells UL classified: fire rated the toughest door in the industry (but priced less than you'd expect) insulated for sound and temperature 10 gauge steel face plates 3/16" internal stiffeners available in a variety of painted finishes or galvanized similarly constructed door available without UL rating Maxi-Grid Maxi-Grid A Woven Rod Maximum Security Wall or Door provides prison personnel safety by restricting contraband passage and inmate reach total versatility - use Maxi-Grid in walls, ceilings, doors, cell fronts, storage areas, room dividers, personnel gates, vehicle gates, window guards, and as vents or HVAC grilles 1/4" and 3/8" diameter rods typically available with 2" or 4" spacing available in a variety of painted finishes or galvanized Grillage Grillage provides high visibility and maximum protection 7/8" double-ribbed round bar interlocking with 2 1/4" x 3/8" flat bar Other Doors Available Chase Doors Cell Doors Corridor Doors Plate Doors Hinged Access Doors Lift-Out Access Panels