Engineered for High Thermal Efficiency.
The Thermacore® product line’s unique manufacturing process provides a CFC-free, fully encapsulated, foamed-in place panel which maintains R-value performance year round – and year in and year out. Thermal breaks between internal and external skins, PVC thermal break and joint seal minimize air infiltration and provide one of the highest thermal efficiency ratings in the industry for specified applications.
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
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.