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Thermacore® Sectional Steel Doors 596

​​​​​​sectional doors used on building​​​​
​​​​​​​​​​​​​​​The Thermacore® Sectional Door Model 596 is ideal for extra heavy-duty applications where both thermal efficiency and sound suppression are desirable. The 596 is constructed of 20-gauge galvanized steel with a flush, textured finish. The sectional steel door m​​​​​odel 596 incorporates the Thermacore® steel-polyurethane-steel panel construction, which provides a thermal barrier to withstand harsh climates and demanding environmental requirements.​

Standard max width
36'2" (11,024 mm)

Standard max height
24'1" (7,341 mm)

Panel thickness
2" (51 mm)


17.4 (3.06 W/m2)

Sound Transmission Class 26
Ideal for applications that require sound control

Air infiltration
at 15 mph (24 kmph) .08 cfm/ft2 (1.46 m3/hr/m2)

*U-factor values are independently tested and verified per ANSI/DASMA 105.
**Overhead Door uses a calculated door section R-value for our insulated doors.

Thermal break

Exterior Steel
20-gauge galvanized

Exterior Surface
Flush, textured

Standard Springs
10,000 cycles

10 year limited delamination
1 year limited on door
3 year/20,000 cycle limited on door & operator system (when purchased together; on material and workmanship) ​​​

Door Options
​​Door Options
  • Chain Hoist or Electric Operator is recommended for doors above 10’ tall or more than 400 pounds
  • Aluminum sash section available up to 24'2" (7,366 mm) wide
  • Insulated glass, tempered glass, polycarbonate, multi-wall polycarbonate, etc.
  • Four-section pass door​
  • High-usage package
  • Wind Load options
  • Electric operator
  • Chain hoist
  • Posi-Tension™ drums
  • Safety bottom fixture
  • Bottom-sensing edge
  • Flexible jamb, header seal​
  • Exhaust ports ​​​
  • Window Glazing Options​
  • Impact Section Available​​


Exterior Color

  • white color swatch White

  • gray color swatch Gray
  • tan color swatch Tan

  • industrial brown color swatch Industrial Brown​​

Actual door color may vary from the digital representation shown here. Actual color samples are available by request through your Overhead Door™ Distributor. ​

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