Standard max width
35’2″ (10,719 mm)
Standard max height
24’1″ (7,341 mm)
1 5/8″ (41 mm)
14.86 (2.63 W/m2)
.07 (.38 m2/W)
at 15 mph (24 kmph) .08 cfm/ft2 (1.46 m3/hr/m2)
.015″ (.38 mm) galv.
Designs available for usage in high-wind conditions
10 year limited delamination
20 year limited on high performance fluoropolymer coating option
Strong, Lightweight, Attractive and Durable.
Thermacore® 591 sectional steel doors feature roll-formed, hot-dipped galvanized steel exterior panels designed for exceptional strength and sound suppression capabilities. Wind load design available for usage in high-wind conditions. Two coats of baked-on, polyester paint on a ribbed, textured exterior surface provide a handsome finish that will last for years. Our industry-leading 10-year limited warranty against delamination means that we’ll stand behind the quality of our doors at the outset and for the long haul.
Superior Field Serviceability.
Thermacore® has a special internal construction which allows hinges to be placed anywhere along the panel’s length permitting customization on the job site — for fast and precise installation, repair or retrofit.
Built With the Best Technology in the Business.
This sectional steel door is manufactured using Overhead Door Corporation’s proprietary, computer-controlled fabrication process. This advanced technology ensures adherence to the industry’s strictest product tolerances and results in an exceptionally well-built door for outstanding thermal efficiency and longlasting performance.
Many Options, Better Solutions.
The Thermacore® sectional steel door model 591 fits openings up to 35’2″ (10.7 m) wide and 24’1″ (7.3 m) high. A full line of electric operators ensures precise and trouble-free motor operation in a variety of mounting options (side, center or trolley). Available options include aluminum sash section, thermal glazing, pedestrian pass door, Knock & Lock® Breakaway door system, and jamb weatherstripping. Optional high-usage components expand the versatility of the 591 to high-cycle conditions, with torsion springs in 25k, 50k, 75k or 100k cycles, a solid-steel shaft to reduce fatigue and deflection, and a heavy-duty 3″ (76 mm) steel track for added durability.
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