Thermacore® Sectional Steel Doors - 594 Model 594

Thermacore® Sectional Steel Doors - 594 Model 594

The Thermacore® Sectional Door Model 594 offers excellent thermal efficiency for medium-duty applications. The Model 594 doors feature a raised-panel, wood-grain textured surface for a more decorative appearance. This product is an exceptionally popular choice for RV door applications.

Ideal Applications Include


Product Specifications  
Standard Max Width 20'2" (6147 mm)
Standard Max Height 16'1" (4902 mm)
Panel thickness 1 3/8" (35 mm)
U-factor* .15
R-value** 12.76 (K m2/W)
Air infiltration at 15 mph (24 kmph) .08 cfm/ft2 (1.46 m3/hr/m2)
Thermal break Hot melt
Exterior Steel .012" (.3 mm) galv.
Exterior Surface Ribbed, 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)
  • 20 year limited on high performance fluoropolymer coating option

  • Ribbed Panel

  • white color swatch


  • Desert Tan

    Desert Tan

  • Almond


  • Sandstone


  • forest green color swatch

    Forest Green

  • Brown


  • Terra Bronze

    Terra Bronze

  • trinar white color swatch

    Trinar White

  • trinar beige color swatch

    Trinar Beige

  • trinar brown color swatch

    Trinar Brown

High performance fluoropolymer coating (Trinar® or equivalent) finish option available in white, brown and beige. Offers superior performance.

Actual door color may vary from the digital representation shown here. 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
  • Insulated glass, tempered glass, polycarbonate, multi-wall polycarbonate, etc.
  • Aluminum sash section available up to 20'2" (6147 mm) wide
  • High performance fluoropolymer coating (Trinar® or equivalent)
  • 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