Thermacore® Steel Doors: Commercial Garage Door Solutions

Thermacore® Sectional Steel Doors

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.

Thermacore® Advanced Performance Door - 850

Thermacore® AP Door Model 850 is engineered to deliver advanced performance in commercial and industrial applications where climate control, durability and ease of maintenance are primary concerns.

Thermacore® Sectional Steel Door - 599

With a U-factor of .10 (R-value of 17.5), and one of the best overall air infiltration ratings in the industry, the Thermacore® Sectional Steel Door Model 599 is one of the most thermally efficient door systems in its class.

Thermacore® Sectional Steel Door - 598

The Thermacore® Sectional Door Model 598 is a an exceptionally well-built door that provides a higher level of thermal protection than standard insulated doors. This premium insulated sectional door represents an economical choice for lighter-duty applications.

Thermacore® Sectional Steel Door - 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.

Thermacore® Sectional Steel Doors - 594

The Thermacore® Sectional Door Model 594 offers excellent thermal efficiency for medium-duty applications. The Model 594 doors feature a raised-panel, wood-grain textured surface for a more decorative appearance.

Thermacore® Sectional Steel Doors - 593

The Thermacore® Sectional Door Model 593 is one of the best-selling doors in the Thermacore® line, and offers superior thermal efficiency to fit a broad range of applications.

Thermacore® Sectional Steel Door - 592

The Thermacore® Model 592 offers superior thermal efficiency for heavy-duty applications. It is an ideal choice for applications that demand the highest levels of thermal efficiency, air infiltration, and wind load resistance.

Thermacore® Sectional Steel Door - 591

When your project requires a sectional door with an exceptional degree of thermal efficiency, the Thermacore® Sectional Steel Door Model 591 is a proven performer.

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​Therm​acore® Sectional Steel Doors