Thermacore® Insulated Doors

Thermacore® Insulated Doors


Overhead Door™ offers the industry’s most complete line of insulated sectional steel doors.

Thermacore® is the premier line of insulated doors available today. Thermacore® Series commercial doors are an ideal choice for buildings that require the highest levels of thermal efficiency and air infiltration.

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  • Continuous foamed in place polyurethane insulation and roll-formed, hot dipped galvanized steel construction provides superior thermal efficiency, exceptional strength-to-weight ratio and proven durability.
  • Dual thermal break and joint seal between internal and external skins minimize air infiltration and provides the highest door system thermal efficiency in the industry.
  • Specially designed track and heavy-duty fixtures ensure a tight and reliable fit.
  • Two coats of baked-on polyester paint provide a durable finish.