16 gauge cold-rolled stretcher leveled steel. Square profile using 2" wide side jamb face and 2” high head jamb face. Bolted construction with ¼” head jamb projection. Powder coated baked on enamel finish. Frame design to suit either masonry or gypsum board wall construction and designed to comply with our “UL” test requirements.

1-1/4" thick hollow metal construction using 16 gauge cold-rolled stretcher leveled steel with interior reinforcements to comply with “UL” test requirements. Powder coated baked on enamel finish. Door top prepared for operator manufacturers hangers and door back reinforced and prepared for operator manufacturers interlock. Each panel furnished with sight guard(s) as required, center parting doors furnished with fire-rated astragal. Each panel furnished with two removable door gibs and one galvanized steel safety retainer.

Extruded aluminum profile with non-slip surface and machined groove(s) for door guides.

11 gauge galvanized stretcher leveled steel. Formed profile and prepared for operator manufacturers tracks.

11 gauge galvanized stretcher leveled steel. Formed profile slotted for mounting to sill and header plate.

16 gauge galvanized stretcher leveled steel 6" wider than clear doorway.

16 gauge galvanized stretcher leveled steel full width of header plate.

16 gauge galvanized stretcher leveled steel 6" wider than clear doorway beveled back to wall below lowest landing.

16 gauge galvanized stretcher leveled steel 6" wider than clear doorway beveled back to wall above top landing.