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Thermacore® Sectional Steel Doors 594

insulated sectional doors used on building

​​​​​​​​​​​​​​​​​​​​​​​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.​​​​​


Standard max width
20'2" (6147 mm)

Standard max height
16'1" (4902 mm)​

Panel thickness
1 3/8" (35 mm)


12.76 (K m2/W)

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
Hot melt

Exterior Steel
.012" (.3 mm) galv.

Exterior Surface
Raised panel, 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)
20 year limited on high performance fluoropolymer coating option )​

Door Options
​​Door Options
  • 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​ ​​​

Exterior Color

  • white color swatch White

  • gray color swatch Almond
  • sandstone color swatch Sandstone

  • hunter green color swatch Forest Green​​
  • chestnut brown color swatch Brown

  • terra bronze color swatch Terra Bronze​​​​​​​
  • trinar white color swatch Trinar
  • trinar white color swatch Trinar
  • trinar white color swatch Trinar Brown​​​
  • ​​​​​
  • desert tan color swatch Desert Tan

  • ​​​​​

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. ​​​​​​

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