Thermacore® Insulated Steel Garage Doors

​​​​​​​​​​​​​​For premium construction and maximum thermal efficiency, a Thermacore® insulated steel door 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.

5 Panel options available: standard, flush, long, V5 and V10

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

Polyurethane insulation provides thermal efficiency:

•  9.31 R-value: models 297, 295, 298, 296
• 12.76 R-value: models 194, 198, 195, 199, 192
• 17.5 R-value: models 494, 496, 495, 497