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Thermacore Insulated Steel Garage Doors feature premium insulation construction and design which provides maximum thermal efficiency and reduced air infiltration for your garage space. This durable line of Steel Garage Doors gives you many years of reliable operation while providing comfort to your home, even in extreme climates.

Thermacore Insulated Steel Garage Doors - Overhead Door of So Cal in San Diego
Thermacore Insulated Steel Garage Doors - Overhead Door of So Cal in San Diego

Thermacore Insulated Steel Garage Doors

For premium construction and maximum thermal efficiency, a Thermacore Insulated Steel Garage Doors is the ideal choice. This series of doors feature our sandwich 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.

Premium insulated garage doors deliver maximum thermal efficiency and design flexibility.

Built better from the inside out

Thermacore® construction:

Provides a continuous layer of foamed-in-place, CFC-free polyurethane insulation sandwiched between two layers of corrosion-resistant steel, for maximum thermal efficiency.

Embossed wood-grain texture:

Adds beauty, sophistication, and durability In-between section thermal seals With an air infiltration rating of up to 0.08 cfm, seals provide superior resistance to the elements.


Interior-side steel backing, standard on Thermacore® products, provides strength and a finished, clean appearance.

Durable finish:

Hot-dipped galvanized steel with two coats of baked-on polyester paint.

Bulb-type bottom:

Weatherseal Guards against wind and rain while providing a cushion when closing.

Our WindStorm™

Wind load-rated system Available on select products to meet regulations for a variety of wind speeds, including hurricane-force winds, and meet the most stringent local building codes.

Thermacore® garage door model numbers are determined by the R-value of the door.

Standard Long Flush V5 V10
9.31 R-value 297 295 298 296
12.76 R-value 194* 198* 195 199* 192*
17.50 R-value 494* 496* 495* 497*

*Wood Grain Finish available on these models.

Overehead Door’s Thermacore® Collection

Call us Today  +1 (858) 547-3600

Overhead Door Company of Southern California – 12215 Kirkham Road Suite 200, Poway, CA 92064

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If you need help selecting a garage door, opener, have product questions or would like to request a quote or schedule a garage door repair service. Contact us today +1 (858) 547-3600 or send us an email on the form below.