Thermacore® Sectional Steel Door - 596 Model 596

Thermacore® Sectional Steel Door - 596 Model 596

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 model 596 incorporates the Thermacore® steel-polyurethane-steel panel construction, which provides a thermal barrier to withstand harsh climates and demanding environmental requirements.

Ideal Applications Include


Product Specifications  
Standard Max Width 36'2" (11,024 mm)
Standard Max Height 24'1" (7,341 mm)
Panel thickness 2" (51 mm)
U-factor* .10
R-value** 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)
Thermal break PVC
Exterior Steel 20-gauge galvanized
Exterior Surface Flush, textured
Standard Springs 10,000 cycles

*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.


  • 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)

Exterior Colors

  • white color swatch


  • gray color swatch


  • tan color swatch


  • 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.

  • 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