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 Thermacore®  Model 593 


sectional steel doors used on a dock 

The Model 593 is one of the best-selling doors in the Thermacore® line, and offers superior thermal efficiency to fit a broad range of applications. The Model 593 exterior skin is constructed of galvanized steel with a ribbed, textured finish. It is available with a white interior finish and a choice of white, industrial brown, tan or gray exterior. The Thermacore® Model 593 offers excellent thermal efficiency for medium-duty applications.

Standard max width

20'2" (6147 mm)

Standard max height

16'1" (4902 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

.015" (.38 mm) galv.

Exterior surface

Ribbed, textured

Standard springs

10,000 cycle


10 year 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 593

color swatch whitecolor swatch almondcolor swatch sandstonecolor swatch brown

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 color

  • White

Window Glazing Options

Additional options

  • Aluminum sash section available up to 24'2" (7,366 mm) wide
  • Insulated glass, tempered glass, polycarbonate, multi-wall polycarbonate, etc.
  • 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