Heavy Duty Thermacore® Doors

​​ ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​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.​​

Heavy Duty Thermacore® Doors, Overhead Door of Grand Islnad™
#

Thermacore Model 591, Color: Gray Ribbed Panel, Windows: Double Thermal Acrylic (25” w by 12”

​​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.

Heavy Duty Thermacore® Insulated Sectional Steel Doors

​​This heavy-duty door fits a wide range of opening sizes and a spectrum of applications — making it the best-selling door system.

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Thermacore® Sectional Steel Doors 591

When your project requires a sectional door with exceptional thermal efficiency, the Thermacore® Sectional Steel Door Model 591 is a proven performer. The Thermacore® steel-polyurethane-steel panel construction provides a thermal barrier that withstands extreme climatic conditions and the most demanding environmental requirements.

Thermacore Sectional Doors - Overhead Door Company of Grand Islnad
#

Thermacore Model 591, Color: Gray Ribbed Panel , Windows: Insulated DSB (24” w by 7” h)

This 1 5/8”  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.

Boasting an R-value of 14.86, a U-value of .07, and one of the best air infiltration ratings, the Thermacore® 591 will meet or exceed almost any thermally efficient application requirement.

R-value: 14.86

Standard max width: 35’2″ (10,719 mm)

Standard max height: 24’1″ (7,341 mm)

[ezcol_1quarter]

Insulated Sectional Steel-Back Door - Overhead Door of Grand Island

Ribbed Textured Panel

[/ezcol_1quarter] [ezcol_1quarter][/ezcol_1quarter] [ezcol_1quarter][/ezcol_1quarter] [ezcol_1quarter_end][/ezcol_1quarter_end]
Color Options
[ezcol_1quarter]

Commercial Wind Load Doors, Overhead Door of Grand Island™

White

[/ezcol_1quarter] [ezcol_1quarter]

Commercial Wind Load Doors, Overhead Door of Grand Island™

Industrial Brown

[/ezcol_1quarter] [ezcol_1quarter]

,Extra Heavy Duty Thermacore® Overhead Door of Grand Island™

Gray

[/ezcol_1quarter] [ezcol_1quarter_end]

,Extra Heavy Duty Thermacore® Overhead Door of Grand Island™

Tan

[/ezcol_1quarter_end]

Actual colors may vary from brochure due to fluctuations in the printing process. Always request a color sample from us for accurate color matching.

[ezcol_1third]

Insulated Sectional Steel-Back Door, Overhead Door Grand Island

Double Thermal Acrylic (25” w by 12” h)

[/ezcol_1third] [ezcol_1third]

Non-Insulated Sectional Steel Doors, Overhead Door, Grand Island

Aluminum Sash Section* with DSB glazing

[/ezcol_1third] [ezcol_1third_end][/ezcol_1third_end][ezcol_1third]

Insulated Sectional Steel-Back Door, Overhead Door Grand Island

Insulated DSB (24” w by 7” h)

[/ezcol_1third] [ezcol_1third][/ezcol_1third] [ezcol_1third_end][/ezcol_1third_end]

Design Options & Features

Warranty

10-year limited delamination

1 year limited on door

3-year/20,000 cycle limited on door & operator system (when purchased together; on material and workmanship) ​​​

Thermacore Commercial Door Warranty

​​Door Options
  • A chain Hoist or Electric Operator is recommended for doors above 10’ tall or more than 400 pounds
  • Aluminum sash section available up to 24’2″ (7,366 mm) wide
  • Insulated glass, tempered glass, polycarbonate, multi-wall polycarbonate, etc.
  • Four-section pass door​
  • High-usage package
  • Wind Load options
  • Electric operator
  • Chain hoist
  • Posi-Tension™ drums
  • Safety bottom fixture
  • Bottom-sensing edge
  • Flexible jamb, header seal​
  • Exhaust ports ​​​
  • Window Glazing Options​​
  • Impact Section Available
Thermal efficiency

R-value*

14.86 (2.63 K m²/W)

U-value

.07 (.380 W/K m²)

Thermal break

PVC

Air infiltration

at 15 mph (24 kmph): .08 cfm/ft² (1.46 m³/hr/m²) at 25 mph (40 kmph):.08 cfm/ft² (1.46 m³/hr/m²)

Construction

Panel thickness:

1 5/8″ (41 mm)

Exterior Steel:

.015″ (.38 mm) galv

Exterior surface:

Ribbed, textured

Standard springs:

10,000 cycle

Thermacore® Sectional Steel Doors 592 and 599

.The most thermally efficient door system,

Thermacore® Models 592/599 are the energy-efficient door of choice for commercial use. The 592/599 also incorporates a thermal break and joint seal to prevent thermal transfer between the exterior and interior door panel skins. The door is designed for the most demanding, high-cycle, wind load, and thermal applications.

Built with the best technology in the business. 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.

R-value: 17.5

Standard max width: 40’2″ (12,243 mm)

Standard max height: 32’1″ (9,779 mm)

Thermacore Sectional Doors - Overhead Door Company of Grand Islnad
#

Thermacore Model 592, Custom Color: Ribbed Panel , Windows: Double Thermal Acrylic (25” w by 12” h)

[ezcol_1quarter]

Insulated Sectional Steel-Back Door - Overhead Door of Grand Island

Ribbed Textured Panel

[/ezcol_1quarter] [ezcol_1quarter][/ezcol_1quarter] [ezcol_1quarter][/ezcol_1quarter] [ezcol_1quarter_end][/ezcol_1quarter_end]
Color Options
[ezcol_1quarter]

Commercial Wind Load Doors, Overhead Door of Grand Island™

White

[/ezcol_1quarter] [ezcol_1quarter]

Commercial Wind Load Doors, Overhead Door of Grand Island™

Industrial Brown

[/ezcol_1quarter] [ezcol_1quarter]

,Extra Heavy Duty Thermacore® Overhead Door of Grand Island™

Gray

[/ezcol_1quarter] [ezcol_1quarter_end]

,Extra Heavy Duty Thermacore® Overhead Door of Grand Island™

Tan

[/ezcol_1quarter_end]

Actual colors may vary from brochure due to fluctuations in the printing process. Always request a color sample from us for accurate color matching.

[ezcol_1third]

Insulated Sectional Steel-Back Door, Overhead Door Grand Island

Double Thermal Acrylic (25” w by 12” h)

[/ezcol_1third] [ezcol_1third]

Non-Insulated Sectional Steel Doors, Overhead Door, Grand Island

Aluminum Sash Section* with DSB glazing

[/ezcol_1third] [ezcol_1third_end][/ezcol_1third_end][ezcol_1third]

Insulated Sectional Steel-Back Door, Overhead Door Grand Island

Insulated DSB (24” w by 7” h)

[/ezcol_1third] [ezcol_1third]

Insulated Sectional Steel-Back Door, Overhead Door Grand Island

Clear Long** (44” w by 15” h)

[/ezcol_1third] [ezcol_1third_end][/ezcol_1third_end]
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 features ozone-friendly polyurethane insulation.

Thermacore Sectional Doors, Overhead Door of Grand Islnad™
#

Thermacore Model 599, Color: White Flush Panel

The door is designed for the most demanding, high-cycle, wind load, and thermal applications. Built with the best technology in the business.

R-value: 17.5

Standard max width:

40’2″ (12,243 mm)

Standard max height:

32’1″ (9,779 mm)

[ezcol_1quarter]

,Extra Heavy Duty Thermacore® Overhead Door of Grand Island™

Flush Textured Panel

[/ezcol_1quarter] [ezcol_1quarter][/ezcol_1quarter] [ezcol_1quarter][/ezcol_1quarter] [ezcol_1quarter_end][/ezcol_1quarter_end]
Color Options
[ezcol_1quarter]

Commercial Wind Load Doors, Overhead Door of Grand Island™

White

[/ezcol_1quarter] [ezcol_1quarter][/ezcol_1quarter] [ezcol_1quarter][/ezcol_1quarter] [ezcol_1quarter_end][/ezcol_1quarter_end]

Actual colors may vary from brochure due to fluctuations in the printing process. Always request a color sample from us for accurate color matching.

[ezcol_1third]

Insulated Sectional Steel-Back Door, Overhead Door Grand Island

Double Thermal Acrylic (25” w by 12” h)

[/ezcol_1third] [ezcol_1third]

Non-Insulated Sectional Steel Doors, Overhead Door, Grand Island

Aluminum Sash Section* with DSB glazing

[/ezcol_1third] [ezcol_1third_end][/ezcol_1third_end][ezcol_1third]

Insulated Sectional Steel-Back Door, Overhead Door Grand Island

Insulated DSB (24” w by 7” h)

[/ezcol_1third] [ezcol_1third]

Insulated Sectional Steel-Back Door, Overhead Door Grand Island

Clear Long** (44” w by 15” h)

[/ezcol_1third] [ezcol_1third_end][/ezcol_1third_end]

Thermacore® Sectional Steel Doors 592 and 599 Design Options & Features

Warranty

10-year limited delamination

1 year limited on door

3-year/20,000 cycle limited on door & operator system (when purchased together; on material and workmanship) ​​​

Thermacore Commercial Door Warranty

​​Door Options
  • A chain Hoist or Electric Operator is recommended for doors above 10’ tall or more than 400 pounds
  • Aluminum sash section available up to 24’2″ (7,366 mm) wide
  • Insulated glass, tempered glass, polycarbonate, multi-wall polycarbonate, etc.
  • Four-section pass door​
  • High-usage package
  • Wind Load options
  • Electric operator
  • Chain hoist
  • Posi-Tension™ drums
  • Safety bottom fixture
  • Bottom-sensing edge
  • Flexible jamb, header seal​
  • Exhaust ports ​​​
  • Window Glazing Options​​
  • Impact Section Available
Thermal efficiency

R-value*

17.5 (3.09 W/m2)

U-value

.057 (.327 W/K m²)

Thermal break

PVC

Air infiltration

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

Construction

Panel thickness:

2″ (51 mm)

Exterior Steel:

.015″ (.38 mm) galv

Exterior surface:

Ribbed, textured

Standard springs:

10,000 cycle

Sound transmission rating:

Class 26 – Ideal for applications that require sound control

View our Commercial Door Operators

A garage door is an essential component of your business, so its failure to open or close properly can be frustrating and costly for time and production. By installing a commercial garage door operator from Overhead Door™, you get an integrated door system with our promise of reliable performance when you need it most, every day.

Complete your commercial garage door upgrade and add convenience with one of our accessories. Overhead Door™ offers a wide variety of additional commercial garage door opener accessories.

Get A Free Estimate Today

Call us Today at (308) 389-3667

Or email us on the form below.

    Call us Today  (308) 389-3667

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