Sectional Steel Doors | Thermacore

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

Engineered for High Thermal Efficiency.

The Thermacore® product line’s unique manufacturing process provides a CFC-free, fully encapsulated, foamed-in place panel which maintains R-value performance year round – and year in and year out. Thermal breaks between internal and external skins, PVC thermal break and joint seal minimize air infiltration and provide one of the highest thermal efficiency ratings in the industry for specified applications.

Thermacore® 591, 592, 593, 594, 596, 599, AP 850, 515 and 525 meets 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

This heavy-duty, thermally efficient door fits a wide range of opening sizes and the spectrum of applications making it the most-specified insulated sectional door in the industry.

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MODEL 592

This heavy-duty door features one of the best overall air infiltration ratings in the industry and steel-polyurethane-steel panel construction to withstand the most demanding environmental requirements.

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MODEL 593

Featuring a ribbed, textured surface and polyurethane insulation, the 593 adheres to the strictest product tolerances and quality standards for medium-duty applications.

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MODEL 594

This medium-duty door features a raised-panel, wood-grain texture exterior surface and adheres to the strictest product tolerances and quality standards for long-lasting performance and good looks.

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MODEL 596

Ideal for extra heavy duty applications, this door features superior thermal efficiency, one of the best overall air infiltration ratings in the industry, and a Class 26 sound transmission rating.

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MODEL 598

A durable, light-duty door that provides a high level of thermal protection which makes it a solid choice for projects where economy and energy efficiency are equally important.

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MODEL 599

A thermally efficient, flush panel door that features steel-polyurethane-steel panel construction and one of the best overall air infiltration ratings in the industry for heavy-duty applications.

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MODEL 850

Engineered to deliver advanced performance in commercial and industrial applications, this door features the highest thermal performance values published by any major US manufacturer of 3" commercial insulated sectional doors.

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Thermacore® Sectional Steel Doors

MODEL 591

MODEL 592

MODEL 593

MODEL 594

MODEL 596

MODEL 598

MODEL 599

MODEL 850

Our Locations

Thermacore® Sectional Steel Doors

MODEL 591

MODEL 592

MODEL 593

MODEL 594

MODEL 596

MODEL 598

MODEL 599

MODEL 850

Our Locations

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