598 Series


The 598 Series door is ideal for heavy-duty applications requiring protection against the elements. These doors feature a 2″ (51 mm) panel thickness, 16-gauge steel intermediate and end stiles, ribbed steel exterior and 26-gauge steel back cover in a white finish. Polystyrene insulation provides an R-value of 7.35. The 422 Series is a 20-gauge steel door available in sizes up to 29´2″ in width and 24´1″ in height (8890 mm and 7341 mm). A multitude of options — including reinforcing struts, movable center posts, and motor operation allow these insulated heavy-duty doors to be used in a variety of commercial and industrial environments.

Standard Max Width

16’2″ (4,298 mm)

Standard Max Height

14’1″ (4,293 mm)


10 year delamination

Panel thickness

1″ (25.4 mm)


9.31 (1.64 W/Msq)


.107 (.608 Msq/W)

Thermal Break

Hot melt

Exterior steel

.012″ (.31 mm) galv.

Exterior surface

Ribbed, textured

Standard springs

10,000 cycles

Exterior Color


Interior Color