Thermacore® Sectional Doors

Thermacore® is the premier line of insulated doors available today. Thermacore® Series doors are an ideal choice for applications that demand the highest levels of thermal efficiency, air infiltration, and windload resistance.

  • Max. widths up to 40'2”
  • Max. heights up to 32'1"
  • R-value up to 17.50 combined with air infiltration performance up to .08 cmf at 15 mph for superior thermal performance
  • Thermal break prevents cold or heat from passing through the section
  • Between section seals contribute to superior thermal performance
  • Durable sandwich panel construction: steel-polyurethane-steel
  • Unique continuous hinge attachment strip allows sections to be cut to length to repair damage on site
  • Flexible bottom weatherseal with retainer lessens conductivity of heat and cold, minimizes air and water penetration, and accommodates irregular floor conditions
  • Insulation is CFC and HCFC Free Foam
  • Baked-on, polyester paint finish eliminates field painting and provides long-lasting protection against the elements

Extra Heavy Duty Doors

Series Image Max
WIDTH
Max
HEIGHT
Insulation Warranty
596 Sectional Steel Insulated Door

 36'2"
(11024 mm)

24'1" 
(7341 mm)

 

R-value
17.4

10 year
limited
warranty

Heavy Duty Doors

Series Image Max
WIDTH
Max
HEIGHT
Insulation Warranty
592 Sectional Steel Thermacore Insulated Door

 40'2"
(12243 mm)

32'1" 
(9779 mm)

 

R-value
17.5

10 year
limited
warranty

599 Sectional Steel Thermacore Insulated Door

40'2" 
(12243 mm)

32'1" 
(9779 mm)

 

R-value
17.5

10 year
limited
warranty

591 Sectional Steel Thermacore Insulated Door

35'2" 
(10719 mm)

 24'1"
(7341 mm)

 

R-value
14.86

10 year
limited
warranty

Medium Duty Doors

Series Image Max
WIDTH
Max
HEIGHT
Insulation Warranty
593 Sectional Steel Thermacore Insulated Door

20'2" 
(6147 mm)

16'1" 
(4902 mm)

 

R-value
12.76

10 year
limited
warranty

594 Sectional Steel Thermacore Insulated Door

 20'2"
(6147 mm)

16'1" 
(4902 mm)

 

R-value
12.76

10 year
limited
warranty