​Therm​acore® Sectional Steel Doors
Superior Performance &  Engineered To Last

​​ ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Thermacore® is the premier line of insulated sectional doors available today. These Commercial and Industrial Sectional Steel Doors are ideal for applications that demand the highest levels of thermal efficiency, air infiltration, and wind load resistance.​​

​​Engineered for High Thermal Efficiency.
Durable • Long Lasting Performace

The Thermacore® product line’s unique manufacturing process provides a CFC-free, fully encapsulated, foamed-in-place panel that 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.

Ideal Applications Include

Warehouse Solutions

Manufacturing

Food & Beverage

Automotive

Government Facilities

​Therm​acore® Sectional Steel Doors Overview

Constructed For Superior Performance
  • Continuous foamed-in-place polyurethane insulation and roll-formed, hot-dipped galvanized steel construction provide superior thermal efficiency, strength-to-weight ratio, and proven durability.
  •  Dual thermal break and joint seal between internal and external skins minimize air infiltration and provide the industry’s highest door system thermal efficiency.
  • Specially designed track and heavy-duty fixtures ensure a tight and reliable fit.
  • Two coats of baked-on polyester paint provide a durable finish.
  • Unique design allows on-site door customization for quick and precise installation, replacement, or repairs.
High-Usage Components For Special Applications Promote Long Life & Low Maintenance.
  • Heavy-duty, precision ground headplate bearings for enhanced counterbalance performance
  • Oil-tempered, heavy-duty helical wound torsion springs, available in up to 100,000 cycles for extra long life
  • Solid steel counterbalance shaft reduces fatigue and deflection
  • Double-end stiles and end hinges lessen loads on door-section
  • Heavy-duty 3″ (76 mm) hot-dipped galvanized steel track and 10 ball-bearing, long-stem rollers
  • Additional center hinges reduce overall door section hinge loads
  • Bottom sensing edge stops/reverses door upon contact with an obstruction
Built to last
  • 10-year* limited warranty against panel delamination of foam and steel skins
  •  1-year limited warranty on door
  • 3-year/20,000 cycle limited warranty on the door and operator system
Commercial Sectional Steel Doors - Overhead Door Co. of Grand Island
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Thermacore® Model 596, Flush panel, White Finish and Aluminum Sash Section with DSB Glazing

Overhead Door™ ​​ ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Thermacore® Collection

Thermacore® Sectional Steel Doors 596

For Extra-Heavy-Duty Applications Where Thermal Efficiency & Sound Suppression are Desirable

The Thermacore® Model 596 incorporates the Thermacore® steel-polyurethane-steel panel construction, which provides a thermal barrier to withstand harsh climates and demanding environmental requirements.

R-value: 17.4

U Factor: .10

Max width: 36’2″

Max height: 24’1″

Section Thickness: 2″

Material: Steel

Material Gauge: 20-gauge galvanized

Air Infiltration: at 15 mph (24 kmph) .08 cfm/ft2 (1.46 m3/hr/m2)

Thermacore Sectional Doors - Overhead Door Company of Grand Islnad
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FLUSH PANEL, WHITE FINISH AND ALUMINUM SASH SECTION WITH DSB GLAZING

Advanced Performance Sectional Steel Doors Model 850

For Applications Where Climate Control, Durability & Ease of Maintenance Are Primary Concerns

Commercial Sectional Door Gallery, Overhead Door, Grand Island
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Thermacore® AP Model 850, Large Thermal Lites, Brown Paint Finish, Interior VIew

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.

U Factor: .07

R Value: 26 (4.58 Msq/W)

Section Thickness: 3″ (76.2 mm)

Material: Steel

Material Gauge: .015″ (.38 mm)

Max Width: 40’2″ (12,243 mm)

Max Height: 24’1″ (7317 mm)

Air Infiltration: At 15 mph (24 kmph) .09 cfm/ft² (1.65 m³/hr/m²)

​​Thermacore® Sectional Steel Doors 591

The Best-Selling System in the Thermacore® Collection, this heavy-duty door fits a wide range of opening sizes and will meet or exceed almost any thermally efficient application requirement.

Thermacore Sectional Doors, Overhead Door of Grand Islnad™
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Ribbed Panel, Custom Color Finish, Aluminum Sash Section with DSB Glazing

This 1 5/8” (41 mm) thick, steel-polyurethane-steel panel construction, heavy-duty door fits a wide range of opening sizes and a 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. B

U Factor: .13

R Value: 14.86 (2.63 W/m2)

Section Thickness: 1 5/8″ (41 mm)

Material: Steel

Material Gauge: .015″ (.38 mm) galv.

Max Width: 35’2″ (10,719 mm)

Max Height: 24’1″ (7,341 mm)

Wind Load: Designs available for usage in high-wind conditions

Thermacore® Sectional Steel Doors 592/599

With a U-factor of .10 (R-value of 17.5) and one of the industry’s best overall air infiltration ratings, the Thermacore® Model 592 is one of the most thermally efficient door systems in its class.

Thermacore® Sectional Steel Doors 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.

U Factor: .10

R Value: 17.5 (3.09 W/m2)

Section Thickness: 2″ (51 mm)

Material: Steel

Material Gauge: .015″ (.38 mm) galv.

Max Width: 40’2″ (12,243 mm)

Max Height: 32’1″ (9,779 mm)

Air Infiltration: at 15 mph (24 kmph) .08 cfm/ft2 (1.46 m3/hr/m2)

Thermacore Sectional Doors - Overhead Door Company of Grand Islnad
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Ribbed Panel, Custom Color Finish, Windows: Double Thermal Acrylic (25” W BY 12” H)

Thermacore Sectional Doors, Overhead Door of Grand Islnad™
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Thermacore Model 599, White Flush Panel

Thermacore® Sectional Steel Doors 599

Featuring one of the best overall air infiltration ratings in the industry and flush panel design, the Thermacore® sectional door model 599 is the most thermally efficient door system in its class. Features ozone-friendly polyurethane insulation.

 U Factor: .10

R Value: 17.5 (3.09 W/m2)

Section Thickness: 2″ (51 mm)

Material: Steel

Max Width: 40’2″ (12,243 mm)

Max Height: 32’1″ (9,779 mm)

Wind Load: Designs available for usage in high-wind conditions

Thermacore® Sectional Door Model 593/594

Offers excellent thermal efficiency to fit a broad range of medium-duty applications

Thermacore® Sectional Steel 593, Overhead Door of Grand Island
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Ribbed Textured Panel, White Finish, Double Thermal Acrylic (25”w by 12”h),

Thermacore® Sectional Steel Doors 593

The Thermacore® sectional door model 593 features a ribbed, textured surface and adheres to the strictest product tolerances and quality standards – for long-lasting performance and good looks.

U Factor: .15

R Value: 12.76 (2.26 m2/W)

Section Thickness: 1 3/8″ (35 mm)

Material: Steel

Material Gauge: .015″ (.38 mm) galv.

Max Width: 20’2″ (6147 mm)

Max Height: 16’1″ (4902 mm)

Air Infiltration: at 15 mph (24 kmph) .08 cfm/ft2 (1.46 m3/hr/m2)

Thermacore® Sectional Steel Doors 594

The Thermacore® sectional door model 594 features a raised-panel, wood-grain textured exterior surface and adheres to the strictest product tolerances and quality standards.

U Factor: .15

R Value: 12.76 (2.26 m2/W)

Section Thickness: 1 3/8″ (35 mm)

Material: Steel

Material Gauge: .012″ (.3 mm) galv.

Max Width: 20’2″ (6147 mm)

Max Height: 16’1″ (4902 mm)

Air Infiltration: at 15 mph (24 kmph) .08 cfm/ft2 (1.46 m3/hr/m2)

Thermacore Sectional Doors - Overhead Door Company of Grand Islnad
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Raised Standard Panel, White Finish

Thermacore® ​​Insulated Sectional Steel Doors Model 598

A well-built door that provides a higher level of thermal protection than standard insulated doors

Thermacore Sectional Doors - Overhead Door Company of Grand Islnad
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Ribbed Panel Design, White Finish, Windows: Double Thermal Acrylic (25” w by 12” h)

The Thermacore® sectional door model 598 is exceptionally well-built and provides higher thermal protection than standard insulated doors.

U Factor: .20

R Value: 9.31 (1.64 W/m2)

Section Thickness: 1″ (25.4 mm)

Material: Steel

Material Gauge: .012″ (.3 mm) galv.

Max Width: 16’2″ (4,928 mm)

Max Height: 14’1″ (4,293 mm)

Call us Today at (308) 646-2316

Overhead Door Company of Grand Island
2812 W Old Hwy 30, Grand Island, NE 68803

Call us Today at (308) 646-2316

Or Email us on the Form Below.

Business Hours: Monday – Friday 8 AM–4 PM

    Call us Today at (308) 646-2316

    Or Send us an Email.

      Overhead Door Company of Grand Island™ –
      2812 W Old Hwy 30, Grand Island, NE 68803