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 Thermacore® Model 596 


Thermacore insulated sectional steel garage door 

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

Standard max width

36'2" (11,024 mm)

Standard max height

24'1" (7,341 mm)

Panel thickness

2" (51 mm)


17.4 (3.06 W/Msq)


.057 (.327 Msq/W)

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

Thermal break


Exterior steel

20-gauge galvanized

Exterior surface

Flush, 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)

Exterior color options for 596

color swatch whitecolor swatch almondcolor swatch sandstonecolor swatch brown

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


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.
  • Four-section pass door
  • Knock & Lock® breakaway door system
  • 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