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.
Learn more about our new Artisan Wood Grain™ finish options!
| Product Specifications | |
|---|---|
| 5 Panel Options Available | Standard, Flush, Long, Microgroove, Vertical Short and Vertical Long |
| Thermacore®ย Construction | Provides 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 Insulation | Provides 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 Options | Embossed wood grain, microgroove wave pattern and smooth |
| Steel Backing | For clean, finished interior appearance |
| Durable Finish | Hot-dipped galvanized steel with two coats of baked-on polyester paint |
| In-between Section Seals | Seals provide superior resistance to the elements |
| Bulb-type Bottom Weatherseal | Guards against wind and rain while providing a cushion when closing the door |
| Wind Load | Our 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.

Overhead DoorTMย Brand participates in the DASMA Thermal Performance Verification Program. The program verifies the thermal performance of sectional doors. The lower the U-factor rating, the better the thermal performance.
ย Symbol indicates verified U-factor rating in accordance with the DASMA Thermal Performance Verification Program.
2465 N Miami Ave, Fresno, CA 93727, United States
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Saturday-Sunday: Closed
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Insulated steel garage doors offer numerous advantages for homeowners and business owners alike. These doors provide enhanced thermal efficiency, reducing energy costs by maintaining stable indoor temperatures, which is especially beneficial in regions with extreme weather conditions.
In addition to energy savings, insulated doors also contribute to noise reduction, making them ideal for homes near busy streets or commercial areas. Their durable construction ensures longevity and minimal maintenance, making them a wise investment for any property owner.
Selecting the right insulated steel garage door involves considering various factors such as insulation value, design preferences, and specific needs of your property. Homeowners should evaluate the U-factor and R-value of different models to ensure optimal thermal performance.
Additionally, aesthetic choices such as panel styles and finishes can enhance your home's curb appeal. Consulting with professionals can help you navigate these options and find the perfect fit for your garage.
The installation of insulated steel garage doors is a critical step that ensures optimal performance and durability. It typically involves measuring the garage opening, preparing the door frame, and securely attaching the door to the tracks and opener system.
Professional installation is recommended to guarantee that all components are correctly aligned and functioning, reducing the risk of future issues. Following proper installation procedures can also help maintain the warranty of the door.
Regular maintenance is essential for prolonging the lifespan of insulated steel garage doors. Homeowners should routinely inspect the door for signs of wear, such as rust or damaged seals, and perform necessary repairs to prevent further deterioration.
Additionally, lubricating moving parts and cleaning the door surface can enhance functionality and appearance. Following a seasonal maintenance schedule can help keep your garage door operating smoothly year-round.