Model 596

The Thermacore® Sectional Door 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 sectional steel door m​​​​​odel 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/m2)


.057 (.327 m2/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 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)

Door 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
  • 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
  • Impact Section Available


Exterior Color

  • White

  • Gray

  • Tan

  • Industrial Brown

Actual door color may vary from the digital representation shown here. Actual color samples are available by request through your Overhead Door Distributor.


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