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 Thermacore® Model 594 


sectional steel doors on a large building 

The Thermacore® 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" (6,147 mm)

Standard max height

16'1" (4,902 mm)

Panel thickness

1 3/8" (35 mm)


12.76 (2.26 W/Msq)


.078 (.443 Msq/W)

Air infiltration

at 15 mph (24 kmph) .08 cfm/ft2 (1.46 m3/hr/m2)
at 25 mph (40 kmph) .15 cfm/ft2 (2.7 m3/hr/m2)

Thermal break

Hot melt

Exterior steel

.012" (.3 mm) galv.

Exterior surface

Raised panel, textured

Standard springs

10,000 cycle


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

Exterior color options for 594

Contact your local Overhead Door Distributor for painting instructions.

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High performance fluoropolymer coating (Trinar® or equivalent) finish option available in white, brown and beige. Offers superior performance vs. traditional paint for peeling, cracking, chalking, or fading as well as corrosion resistance.

Actual door color may vary slightly from the digital representation above. Color samples are available by request through your local Overhead Door Distributor.

Interior colors


Window Glazing Options

Additional options

  • Insulated glass, tempered glass, polycarbonate, multi-wall polycarbonate, etc.
  • Aluminum sash section available up to 24'2" (7,366 mm) wide
  • High performance fluoropolymer coating (Trinar® or equivalent)
  • High-usage components
  • Wind load options
  • Electric operator
  • Chain hoist
  • Posi-TensionTM drums
  • Safety bottom fixture
  • Bottom-sensing edge
  • Flexible jamb, header seals
  • Exhaust ports