• A modern dark blue building with three large insulated garage doors from the Thermacore Collection, each topped with an exterior light, sits on a concrete driveway with green grass and trees in the background.
  • A brown wooden Thermacore Collection garage door with four horizontal rectangular glass windows on the right side, set in a beige house exterior with two wall-mounted lantern lights on either side of the door.
  • Single-story modern house with dark gray siding, a large front window, Thermacore Collection insulated garage doors, curved stone steps with metal railing, and a driveway, surrounded by trees and minimal landscaping for an energy efficient home.
  • A modern gray garage with a dark brown Overhead Door from the Thermacore Collection, featuring horizontal glass panels on the side, surrounded by trees with fallen autumn leaves on the concrete driveway.
  • A large modern farmhouse with dark blue siding, wood accents, a red metal roof, and an attached two-car garage featuring insulated residential garage doors, set against a green lawn and trees under a bright blue sky.
  • A two-story brick house with a modern gray Thermacore Collection garage door featuring four rectangular windows, surrounded by trees and bushes, and an energy efficient concrete driveway in front.
  • A modern house with dark vertical siding and two Thermacore Collection garage doors, each featuring horizontal panels and rectangular windows at the top. There are stone accents at the base and a double window above the garages.

Insulated Steel Garage Doors

Thermacore® Collection

Models 5720, 5740 & 5760

Thermacore® premium insulated steel garage doors feature between-section seals with thermal breaks to reduce air infiltration.

Overview

Thermacore® Collection insulated steel doors are the ideal choice for premium construction and maximum thermal efficiency. This series of doors feature construction of steel-polyurethane-steel as well as between-section seals with thermal breaks to reduce air infiltration. With several panel designs to choose from, these doors offer design flexibility, durability and thermal efficiency that will help keep your home comfortable in cold or hot climates. 

Thermacore® Collection premium insulated garage doors deliver maximum thermal efficiency and design flexibility.

Panel designs

Colors

Painted Finishes

Artisan Wood Grain™ Finishes

Carbon Oak Plank

Wood Grain Embossment

Modern Metallic Finishes

Actual door color may vary slightly from the digital representation above. Color samples are available by request through your local Overhead Door™ Distributor. Not all colors are available on all models and panel designs, please see chart below for detailed color availability by panel style. 

Windows & Hardware

Windows available on Standard, Flush and Vertical Short panels.

Windows available on Long, Flush, Vertical Long and Vertical Short panels.

Carriage style window trim. Available on Models 5740, Standard and Flush panels only.

Available on Flush and Microgroove panels in Modern Metallic finishes only. Modern Metallic finishes cannot be paired with other window options.

Window Placements

Windows may be arranged vertically or horizontally on the Models 5740 and 5760. Windows must be Clear Short, Clear Long or Narrow. Windows placed in the bottom section of a door must have DSB 1/8″, tempered, or 1/2″ insulated glass.

Optional Window Placement

Frames

Frame Color Options (Artisan Wood Grain™ Finish Only)

(Clear Long & Clear Short Windows)

(Narrow & Double Narrow Windows Only)

Glass

Actual glass may vary from brochure photos due to fluctuations in the printing process.
Check with your Overhead Door™ Distributor to view a glass sample.

* Insulated options available

Hardware

Garage Door Hardware

Documents

Explore the full specifications of our products. Our technical data sheets provide comprehensive information on dimensions, assembly methods, and construction requirements. Make well-informed decisions by planning your investment down to the last detail.

Thermacore® Insulated Steel Door - Model 5720

Specification

Thermacore 5720 Series Specifications

Product Literature

Brochure - Thermacore® Collection

Thermacore® Modern Metallic Finishes Brochure

Warranties

Thermacore® Collection Limited Warranty

Thermacore® Insulated Steel Door - Model 5760

Specification

thermacore-5760-series-specs

Product Literature

Brochure - Thermacore® Collection

Thermacore® Modern Metallic Finishes Brochure

Warranties

Thermacore® Collection Limited Warranty

Thermacore® Insulated Steel Door - Model 5740

Specification

Thermacore 5740 Series Specifications

Product Literature

Brochure - Thermacore® Collection

Brochure - Thermacore® Collection

Warranties

Thermacore® Collection Limited Warranty

Construction

Product Specifications

5 Panel Options AvailableStandard, Flush, Long, Microgroove, Vertical Short and Vertical Long
Thermacore® ConstructionProvides a continuous layer of foamed-in-place, CFC-free polyurethane garage door insulation sandwiched between two layers of corrosion-resistant steel, for maximum thermal efficiency
Polyurethane Garage Door InsulationProvides thermal efficiency
U-factor* of .20 (9.31 R-value**): Model 5720
U-factor* of .15 (12.76 R-value**): Model 5740
U-factor* of .10 (17.5 R-value**): Model 5760
Multiple Surface OptionsEmbossed wood grain, microgroove wave pattern and smooth
Steel BackingFor clean, finished interior appearance
Durable FinishHot-dipped galvanized steel with two coats of baked-on polyester paint
In-between Section SealsSeals provide superior resistance to the elements
Bulb-type Bottom Weatherseal Guards against wind and rain while providing a cushion when closing the door
Wind LoadOur WindStorm™ wind load rated system is available on selected products to meet regulations for a variety of wind speeds, ensuring your door is built to withstand varying wind conditions, including hurricane-force winds, and meet the most stringent local building codes.

*U-factor values are independently tested and verified per ANSI/DASMA 105.
**Overhead Door™ Brand uses a calculated door section R-value for our insulated doors.

DASMA Thermal Performance

Warranty

  • 20-year limited warranty on Models 5720
  • Limited lifetime warranty on door Models 5740 and Model 5760
Residential garage door and opener system limited warranty
  • (when purchased together) – features 3 year on components (see warranty for details)
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