Thermacore® Sectional Steel Doors
Commercial & Industrial Doors
Thermacore® sectional doors are an ideal choice for businesses that demand the best thermal efficiency, air infiltration and wind load resistance. Our product line’s unique manufacturing process provides a CFC-free, fully encapsulated, foamed-in place panel which maintains R-value performance year round. The thermal breaks and it's seal minimize air infiltration and provide one of the highest thermal efficiency ratings in the industry.
Thermacore® doors meet IECC® requirements for maximum U-Factor of operable fenestrations (2015 Section C402.4) with a 3rd party certified tested value of less than 0.37.
![]() Model 591 |
Model 592 |
![]() Model 593 |
![]() Model 594 |
![]() Model 596 |
![]() Model 598 |
![]() Model 599 |
![]() Model 850 |
OTHER THERMACORE DOORS®
Thermacore® Wind Load Insulated Sectional Steel Doors
Models 515 and 525 - These Thermacore® sectional doors are engineered to withstand higher design pressure than our other Thermacore® models.
Extra Heavy Duty Thermacore® Insulated Sectional Steel Doors
Model 596 - This Thermacore® sectional door features one of the best overall air infiltration ratings in the industry – as well as a Class 26 sound transmission rating. Ideal for heavy-duty applications where both thermal efficiency and sound suppression are desirable. Features ozone-friendly polyurethane insulation.
Heavy Duty Thermacore® Insulated Sectional Steel Doors
Model 591 - This model will meet or exceed almost any thermally efficient application requirement. This heavy-duty door fits a wide range of opening sizes and the spectrum of applications — making it the best-selling door system in the Thermacore® line and one of the most-specified insulated sectional doors in the industry. Features ozone-friendly polyurethane insulation.
Model 592 - Featuring one of the best overall air infiltration ratings in the industry, this Thermacore® sectional door is the most thermally efficient door system in its class. The Thermacore® product line features steel-polyurethane-steel panel construction which provides a thermal barrier that withstands extremely hot or cold climates and the most demanding environmental requirements. Features ozone-friendly polyurethane insulation.
Model 599 - Featuring one of the best overall air infiltration ratings in the industry as well as flush panel design, this Thermacore® sectional door is the most thermally efficient door system in its class. The Thermacore® product line features steel-polyurethane-steel panel construction which provides a thermal barrier that withstands extremely hot or cold climates and the most demanding environmental requirements. Features ozone-friendly polyurethane insulation.
Medium Duty Thermacore® Insulated Sectional Steel Doors
Model 593 - This Thermacore® sectional door features a ribbed, textured surface and adheres to the strictest product tolerances and quality standards – for long-lasting performance and good looks. When your project requires a thermal door that is as energy efficient as it is attractive, this sectional door is up to the task. Features ozone-friendly polyurethane insulation.
Model 594 - This Thermacore® sectional door features a raised-panel, wood-grain textured exterior surface and adheres to the strictest product tolerances and quality standards – for long-lasting performance and good looks. When your project requires a thermal door that is as energy efficient as it is attractive, this sectional door is up to the task. Features ozone-friendly polyurethane insulation.
Light Duty Thermacore® Insulated Sectional Steel Doors
Model 598 - The Thermacore® sectional door is an exceptionally well-built door that provides a higher level of thermal protection than standard insulated doors. This sectional door adheres to strict product tolerances and quality standards; making it a solid choice for projects where economy and energy efficiency are equally important. Features ozone-friendly polyurethane insulation.
OTHER COMMERCIAL & INDUSTRIAL DOORS:
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
|